英语3000常用词用法详解词典.doc

英语3000常用词用法详解词典 ? A ? a [eI,E] / an[An,En] art. 1.一(个、张、件、本、块、首等)：I have a sister and two brothers. 我有一个妹妹和两个哥哥。2.(一类事物中的)任何一个，任何：A bicycle has two wheels. 自行车有两只轮子。3.(用于短语中表示价格、比率、速度等)每：115 miles an hour 每小时115英里 / Meetings are held four times a year. 每年举行四次会议。4.(用于指某人的职业)一位，一名：I want to be an actor. 我想做一名演员。5.用于数词前，相当于one：a thousand dollars 1000美元 6.用于表达数量的短语中，如：■a little 少量，少许：I’d like a little time to think about it please. 请给我一点时间将它考虑一下。a set of 一套，一副：We have a set of new glasses. 我们有一套新玻璃杯。a little bit 一点儿，少许：It will warm up a little on Sunday.星期日就会有点暖意了。a few (表示肯定)有些，几个：A few people were killed in the fire, but most were saved. 在那场火灾中，有几个人被烧死，但大部分人都得救了。a lot 很，非常，常常：He smokes a lot. 他抽烟很多。a lot of 大量，许多：She loves having a lot of kids round her. 她喜欢身边有许多小孩。a piece of 一片，一块：Please cut me a piece of cake. 请给我切一块蛋糕。 【用法】a 和an 是不定冠词，a 用于以辅音音素开头的单词前，an 用于以元音音素开头的单词前。如：a picture (一张画)，an old man (一位老人)等。另外读音以元音音素开头的字母及字母缩略词(如 a, e, f, h, I, m, n, o, SOS, MBA 等)前若用不定冠词，要用an，不用a。 abbreviation[E:bri:vi5eIFn] n.[U]尤指单词等的)缩写形式：PRC is an abbreviation for “People’s Republic of China”. PRC是People’s Republic of China的缩写形式。 able[5eIbl] adj. 有能力的，能干的：He is an able lawyer. 他是一位有才干的律师。/ She is old but still able. 她虽然老了但仍然很能干。■be able to 能，会：I am afraid I won’t be able to visit you on Saturday. 恐怕我无法在星期六来拜访您了。/ Are you able to speak a foreign language? 你能讲外语吗?/ I haven’t been able to get in touch with her. 我一直未能和她联系上。 about[E5baJt] prep.1.关于,对于：a book about American history 一本关于美国历史的书 / They are talking about their holiday. 他们正在谈论自己的假期。2.在…附近，在…周围：I saw it about here. 我在这附近看到过它。 3.大约，几乎：It’s about three miles from here to the city center. 从这里到市中心大约三英里。4.到处，附近，在周围：They walked about the streets. 他们在街上到处走走。■be about to do sth 即将做某事：I was about to go to sleep when someone knocked. 我正要睡觉突然有人敲门。How (What) about …的情况怎样：What about father? We can’t just leave him here. 父亲怎么办？我们可不能把他留在这里。 【用法】1.表示“大约”，通常用于数字前：I should suppose him to be about fifty. 我想他大约五十岁左右。2.在动词 know, hear, speak 等之后