| 单词 | a |
| 释义 | aa /ə; strong eɪ/ ●●● S1 W1 (also an) indefinite article, determiner 1used before a noun that names something or someone that has not been mentioned before, or that the person you are talking to does not know about: A new “Star Trek” movie is out. We just bought a new sofa.2a)used before a noun that is one of a particular group or class of people or things: She’s an accountant. b)used before someone’s family name to show that he or she belongs to that family: He’s a McGregor all right – look at his eyes!3a)one: a thousand dollars Do you want a piece of cake? Wait a minute. b)a lot/a few/a little etc. used before some words that express an amount of something: A few people arrived late. They’ve spent a great deal of money on the house.4twice a week/$10 a day etc. two times each week, $10 each day, etc. SYN per: “Time” magazine is delivered once a week. The pay is $6.35 an hour.5used before a noun to mean all things of that type: A square has four sides (=all squares have four sides).6used before two nouns that are mentioned together so often that they are thought of as one thing: a needle and thread a cup and saucer7a)used before singular nouns, especially words for actions, meaning one example of that action: Can I have a look? b)used before the -ing form of verbs when they are used as nouns: a loud screeching of brakes c)used before an uncountable noun when other information about the noun is added by an adjective or phrase: There was a certain beauty to the scene. a coarseness in his manner8used before an uncountable noun to mean a type of it: They make a delicious cheese that’s worth trying.9used before the name of a painter, artist, etc. meaning a particular painting, sculpture, etc. by that person: Is it a Monet?10used before a name to mean having the same qualities as that person or thing: He’s like a modern Dickens.11a)used before someone’s name when you do not know who he or she is: A Mrs. Barnett is waiting for you. b)used before names of days, events in the year, etc. to mean a particular one: It will certainly be a winter to remember.12used after “such,” “what,” “rather,” and “many” to emphasize what you are saying: What a great idea! She’s such a cutie. |
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