英语词汇“a”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	a
释义	a I. \ˈā\ noun (plural a's or as also aes \ˈāz\) Usage: often capitalized, often attributive 1. a. : the first letter of the English alphabet b. : an instance of this letter printed, written, or otherwise represented c. : a speech counterpart of orthographic a (as the different a sounds in ape, pat, part) < mouthing out his hollow oes and aes — Alfred Tennyson > 2. a. : the keynote of A major or A minor b. : the tone A 3. : a printer's type, a stamp, or some other instrument for reproducing the letter a 4. : someone or something arbitrarily or conveniently designated a, especially as the first in order or class < A deeded land to B > 5. a. : a grade assigned by a teacher or examiner rating a student's work as excellent, best, first, or superior in quality < receiving an A in a science course > b. : one graded or rated with an A < an A student > < those student papers are A's > < the movie was an A > 6. : something having the shape of the capital letter A • - from A to Z II. \ə, esp emphatic or hesitating or after a pause (\|)ā\ indefinite article Etymology: Middle English, from Old English ān one — more at one 1. — used as a function word before most singular nouns other than proper and mass nouns when the individual in question is undetermined, unidentified, or unspecified, especially when the individual is being first mentioned or called to notice < there was a tree in the field > < a man walked past him > < he bought a house, but this is not the house he bought > — used before words beginning with a consonant sound < a man > < a union > < a one > < a heroic effort > and in some dialects also before words beginning with a vowel sound < a oak > < a apron > — used with a plural noun only if few, very few, good many, or great many is interposed < a few hours > — used before adjectives modifying a noun to which it refers except that it follows many, such, what and any adjective or adjectives preceded by as or how, and usually follows any adjective or adjectives preceded by so or too < a long time > < such a day > < how good and brave a deed > < too long a time > — compare an I 2. a. — used as a function word before noun and adjective uses of such number collectives as dozen and score and before such words as hundred, thousand, and million < a gross of candles > < a hundred and twenty men > < a hundred and fifty thousand > b. — used as a function word before attributive adjectives expressing number to imply indefiniteness or approximation < a twenty men > < a twelve hours > — now dialect except in constructions given in note following sense 1 < a great many men > 3. a. : one < swords all of a length > < men all of a sort > b. — used as a function word to suggest limitation in number < with only a brigade to defend the fort > c. : the same < birds of a feather > 4. a. : a particular illustration of : an example of (a named class) < he is a man > b. — used as a function word before a singular noun followed by a restrictive clause or other identifying modifier < a man who was here yesterday > c. : any, each — used with a following restrictive modifier < a man guilty of kidnaping wins scant sympathy > < a man who is sick can't work well > d. — used as a function word before proper nouns to indicate lack of full knowledge concerning what is indicated by them < a Mr. Smith called you yesterday > < among the towns of the area there is a Smithville, I believe > e. — used as a function word before proper nouns as a step in commonization, often to designate another having qualities like those of the person or thing named < a Shakespeare in his dramatic skill > < a new Rome controlling the world > f. — used as a function word before a mass noun to suggest that a kind or type is under consideration < a tobacco that grows well in cold areas > < a bronze made in ancient times > g. : an instance or case of < the patient later developed a tonsillitis > : a kind of < copper is a metal > h. — used as a function word with form plurals to suggest a unifying notion < a falls in the river > < a glassworks > III. \ə\ preposition Etymology: Middle English a, o, from Old English a-, an, on — more at on 1. chiefly dialect : on I, in I, at I, to I < might get married a Christmas — J.H.Stuart > < he that died a Wednesday — Shakespeare > 2. : in, to, or for each : for every — used before words with an initial consonant sound < twice a week > < two dollars a pound > IV. pronoun or 'a \in senses 1-3 ə, in sense 4 ə or (ˌ)ȧ\ Etymology: in sense 1, from Middle English a, ha he, unstressed variant of he, from Old English hē; in sense 2, from Middle English a, ha, unstressed variant of heo, hie, hi, from Old English hēo, hīo, hī, feminine of hē; in sense 3, from Middle English a, ha, unstressed variant of hie, hi, from Old English hīe, hī, plural of hē; in sense 4, from Middle English a, ha, unstressed vars. of he, heo, used to refer to inanimate objects of masculine or feminine gender; in sense 5, variant of I — more at he, i 1. chiefly dialect : he; sometimes : him — usually used in spoken English in unemphatic positions 2. dialect chiefly Britain : she; sometimes : her 3. chiefly dialect : they; sometimes : them 4. chiefly dialect : it 5. chiefly dialect : i V. verb also 'a or 'a' \ə, (\|)a\; or ha or ha' \hə, (\|)ha\ Etymology: Middle English a, ha, contraction of have (imperative & present subjunctive), haven (infin.) : have < God 'a' mercy on his soul — Shakespeare > < I'd a done it if I could > — now usually used as an unstressed auxiliary; often attached without hyphen to the preceding word < coulda > < mighta > < woulda > — not often in formal use VI. \ə\ preposition Etymology: Middle English, contraction of of : of < passing the time a day > < get it out a my locker — James Jones > — often attached without hyphen to the preceding word < kinda > < sorta > < coupla > < lotta > — not often now in formal use VII. adverb (or adjective) or a' \\|ȯ\ Etymology: Middle English (northern dialect) aw, alteration of all chiefly Scotland : all VIII. abbreviation Usage: often capitalized 1. about 2. absent 3. absolute 4. academician; academy 5. acceleration 6. accepted 7. accommodation 8. ace 9. acre 10. act; acting; active; activity 11. adjective 12. adjutant 13. administration 14. adult 15. after 16. afternoon 17. age; aged 18. air 19. aircraft 20. airman 21. airplane 22. alto 23. amateur 24. American 25. ampere 26. amphibian; amphibious 27. amplitude 28. ana 29. angstrom unit 30. anna 31. a. [Latin anno, abl. of annus] in the year b. [Latin annus — more at annual] year 32. anode 33. anonymous 34. answer 35. ante 36. anterior 37. approved 38. aqua 39. arctic 40. are 41. area 42. army 43. article 44. artillery 45. asked 46. assist 47. associate; association 48. asymmetric 49. at 50. atom; atomic 51. atomic weight 52. Australian 53. author 54. automobile 55. [French avancé, past participle of avancer to advance, be fast (used of a clock), from Old French avancier — more at advance] fast IX. symbol 1. capitalized argon 2. [Latin ad — more at at] at, to — often enclosed in an encircling loop 3. capitalized mass number X. abbreviation 1. capitalized adenine 2. atto- herein
随便看	private signal privatest private station private sweepstake private time private treaty private view private way private wrong privatim privation privational privatism privatistic privative privative privative intercession privative jurisdiction privatively privative proposition privatization privatize privet privet privet adelia

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