| 单词 | X |
| 释义 | noun | | verb XX1, x /ɛks/ noun (plural X’s, x’s) 1[countable] a)the 24th letter of the English alphabet b)a sound represented by this letter2[uncountable] math, algebra used in mathematics to represent an unknown quantity or value thxat can be calculated: If 3x=6, then x=2.3[countable] a mark used on school work to show that a written answer is wrong4[countable] social studies, politics a mark used to show that you have chosen something on an official piece of paper, for example when voting5[countable] a mark used instead of a signature by someone who cannot write6[countable, uncountable] used in the past to show that no one under the age of 17 could see a particular movie. It is now used only in an unofficial way for movies that contain a lot of sex.7used instead of someone or something’s real name, because you want to keep it secret, you do not know it, or you are not talking about a specific person or thing: Let’s call the defendant in this case Mr. X.8[countable] a mark used to show a kiss, especially at the end of a letter9X number of something used to say that there are a certain number of people or things, when the exact number is not important: Everyday I have X number of things to do.10X marks the spot used in games and on maps in adventure stories to show that something can be found at a particular place11[uncountable] slang the illegal drug ecstasy → see also Generation X noun | | verb XX2 the number 10 in the system of roman numerals noun | | verb XX3 verb X something ↔ out phrasal verb spoken to mark or remove a mistake in a piece of writing using an X SYN cross out |
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