| 释义 |
ASynonyms and related words
Units for measuring electrical power
a
determiner strongUK /eɪ/ weakUK /ə/ or anstrongUK /æn/ weakUK /ən/
A or an is used as an indefinite article, usually followed by a singular countable noun. A is used when the next word begins with a consonant. An is used when the next word begins with a vowel sound. When a word begins with the letter ‘u’ that is pronounced /juː/, the word is treated as starting with a consonant: a university. When a word begins with a silent ‘h’, it is treated as starting with a vowel: an hour. The names of the letters f, h, l, m, n, r, s, and x begin with vowel sounds, so abbreviations that begin with one of these letters are treated as starting with a vowel: an MPan HGV. 1 used when you are mentioning a person or a thing for the first time, or when the person listening to you does not already know about themThere’s a concert on Sunday night. Synonyms and related words 2 used when you mean any person or thing of a particular type, but you are not referring to a specific oneI haven’t got an umbrella. Children must be accompanied by an adult. Synonyms and related words 3 used when you say what class, type, or group someone or something belongs to, or what job someone hasGreece has been a republic since 1973. Ruth’s father was a lawyer. Synonyms and related words 4 used before a singular noun that represents every person or thing of a particular typeA dog needs regular exercise. A molecule consists of two or more atoms. Synonyms and related words 5 used when you are referring to a person or thing as one of several people or things of this typeI want you to meet a friend of mine. He’s a member of the team. Synonyms and related words 6 used in expressions of quantity such as ‘a lot’, ‘a few’, or ‘a great deal’We all appreciate a little encouragement. Synonyms and related words 7 used in numbers and measurements to mean ‘one’, as in ‘a thousand’ or ‘an hour’ Synonyms and related words 8 used in phrases showing how much something costs, how often it happens, how fast it goes etcMeetings are held four times a year. Tomatoes are £1.20 a kilo (=each kilo costs £1.20). The car was travelling at 90 miles an hour. Synonyms and related words 9 used before a noun that means a substance, product, food etc when referring to a particular type of itBrie is a soft creamy cheese. Plants won’t grow in a soil that contains too much lime. Synonyms and related words 10 used before the name of some drinks to mean a cup or glass of that drinkI’ll just have a beer, thanks. Have you got time for a coffee? Synonyms and related words 11 used before a noun that means a particular quality or feeling when the quality or feeling is described in some waySales staff must have a good working knowledge of French. They fought back with a fierce determination that surprised the invaders. Synonyms and related words 12 used before a noun that is formed from a verb and means a single action of that verbLet’s take a walk round the garden. Synonyms and related words 13 used before a noun that expresses your feelings about a situationIt’s a relief to know they’re safe. What a shame he couldn’t be there to receive the prize! Synonyms and related words 14 used before the name of a particular day, season, or holiday to mean one particular Tuesday, summer, Christmas etcIt was a bitterly cold winter. She was born at six o’clock on a Sunday morning. Synonyms and related words 15 used before a person’s name when you do not know anything about themThere’s a Mr Alex Murray asking to see you. Synonyms and related words 15a used before the name of a famous artist to mean a picture by that artistThe gallery has recently acquired a Picasso. Synonyms and related words
Words used to describe works of art or crafts 15b used before a family name to mean a member of that familyRemember you’re an Osborne – it’s a name to be proud of. Synonyms and related words 15c used before the name of a famous person to mean someone else with similar abilities, a similar appearance, or a similar characterAlready he is being hailed as a young Albert Einstein. Synonyms and related words
a
determiner strongUS /eɪ/ weakUS /ə/ or anstrongUS /æn/ weakUS /ən/
A or an is used as an indefinite article, usually followed by a singular countable noun. A is used when the next word begins with a consonant. An is used when the next word begins with a vowel sound. When a word begins with the letter “u” that is pronounced /juː/, the word is treated as starting with a consonant: a university. When a word begins with a silent “h,” it is treated as starting with a vowel: an hour. The names of the letters f, h, l, m, n, r, s, and x begin with vowel sounds, so abbreviations that begin with one of these letters are treated as starting with a vowel: an X-rayan SUV. 1 used when you are mentioning a person or a thing for the first time, or when the person listening to you does not already know about themThere’s a concert on Sunday night. Synonyms and related words 2 used when you mean any person or thing of a particular type, but you are not referring to a specific oneI don’t have an umbrella. Children must be accompanied by an adult. Synonyms and related words 3 used when you say what class, type, or group someone or something belongs to, or what job someone hasGreece has been a republic since 1973. Ruth’s father was a lawyer. Synonyms and related words 4 used before a singular noun that represents every person or thing of a particular typeA dog needs regular exercise. A molecule consists of two or more atoms. Synonyms and related words 5 used when you are referring to a person or thing as one of several people or things of this typeI want you to meet a friend of mine. He’s a member of the team. Synonyms and related words 6 used in expressions of quantity such as “a lot,” “a few,” or “a great deal”We all appreciate a little encouragement. Synonyms and related words 7 used in numbers and measurements to mean “one,” as in “a thousand” or “an hour” Synonyms and related words 8 used in phrases showing how much something costs, how often it happens, how fast it goes, etc.Meetings are held four times a year. Peaches are 99 cents a pound (=each pound costs 99 cents). The car was traveling at 90 miles an hour. Synonyms and related words 9 used before a noun that means a substance, product, food, etc. when referring to a particular type of itBrie is a soft creamy cheese. Plants won’t grow in a soil that contains too much lime. Synonyms and related words 10 used before the name of some drinks to mean a cup or glass of that drinkI’ll just have a beer, thanks. Synonyms and related words 11 used before a noun that means a particular quality or feeling when the quality or feeling is described in some waySales staff must have a good working knowledge of French. They fought back with a fierce determination that surprised the invaders. Synonyms and related words 12 used before a noun that is formed from a verb and means a single action of that verbLet’s take a walk around the garden. Synonyms and related words 13 used before a noun that expresses your feelings about a situationIt’s a relief to know they’re safe. What a shame he couldn’t be there to receive the prize! Synonyms and related words 14 used before the name of a particular day, season, or holiday to mean one particular Tuesday, summer, Christmas, etc.It was a bitterly cold winter. She was born at six o’clock on a Sunday morning. Synonyms and related words 15 used before a person’s name when you do not know anything about themThere’s a Mr. Alex Murray asking to see you. Synonyms and related words 15a used before the name of a famous artist to mean a picture by that artistThe gallery has recently acquired a Picasso. Synonyms and related words
Words used to describe works of art or crafts 15b used before a family name to mean a member of that familyRemember you’re an Osborne – it’s a name to be proud of. Synonyms and related words 15c used before the name of a famous person to mean someone else with similar abilities, a similar appearance, or a similar personalityAlready he is being hailed as a young Albert Einstein. Synonyms and related words
A1 an A for effortbeing appreciated for having tried hard to do something rather than for achieving successIn response to my surprise in passing the exam, my mother suspected I had got an A for effort. Submitted by:
Boris Marchenko from Russian Federation on 11/07/2017
A1 an A for effortbeing appreciated for having tried hard to do something rather than for achieving successIn response to my surprise in passing the exam, my mother suspected I had got an A for effort. Submitted by:
Boris Marchenko from Russian Federation on 11/07/2017
a1 countable/uncountable the first letter of the English alphabet. A is a vowel. Synonyms and related words 2 A countable/uncountable musicthe sixth note in the musical scale of C majorSynonyms and related words
Notes in the musical scale 3 A countable/uncountable educationa mark that a teacher gives to a student’s work to show that it is excellentSynonyms and related words
Grades and marks given for school or university work A A minus/B minus/C minus/D minus A plus/B plus/C plus/D plus 4 A uncountable medicala common blood group in the ABO systemSynonyms and related words
The heart, blood and circulation
a1 countable/uncountable the first letter of the English alphabet. A is a vowel. Synonyms and related words 2 A countable/uncountable musicthe sixth note in the musical scale of C majorSynonyms and related words
Notes in the musical scale 3 A countable/uncountable educationa mark that a teacher gives to a student’s work to show that it is excellentSynonyms and related words
Grades and marks given for school or university work A A minus/B minus/C minus/D minus a passing grade/mark 4 A uncountable medicala common blood type in the ABO systemSynonyms and related words
The heart, blood and circulation
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