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A开头的短语 a bit有一点儿;一会儿 a bit of有一点儿 a bottle of 一瓶 a cup of 一(茶)杯 a glass of 一(玻璃)杯 a few 一些,少数几个 a big headache令人头痛的事情 a matter of concern 焦点 account for 解释 again and again再三地,反复地 after all 毕竟,终究 after a while 过了一会儿 after school 放学后 agree on 同意,赞成 agree to do sth 同意做某事 agree with (sb) 与某人意见一致 a group of 一群 a kind of 一种 a little 一点,少量 a lot of 许多,大量 a lot 许多,大量 a series of 一系列,一连串 above all 首先,尤其是 a fraction of 一部分 a moment ago 刚才 a moment later 片刻之后 a place of interest 名胜 and so on 等等 across from 在……对面 a list of …...的清单 a pair of 一双 a quarter past/to… …..点过一刻/差一刻到…..点 a roll of film 一卷胶卷 a shop assistant 售货员;店员 a top speed of 50 kilometres per hour 每小时50千米的高 a number of若干的;许多的 a set number of固定数量的;一定数量 all by oneself独自地,全靠自己 all day整天;一天到晚 all kinds of 各种各样的 all one’s life一生;终生 all over遍及,到处,结束 all over the world全世界 all right行了;好吧;(病)好了 all at once 突然,同时 all but 几乎;除了...都 all of a sudden 突然 all over again 再一次,重新 all the same都一样,仍然 all the time一直,始终;老是 all year round一年到头 absent from不在,缺席 abundant in富于 account for 解释 ahead of time / schedule提前 alien to与...相反 an hour or two一两个小时 answer the telephone接电话 answer to……的答案 anything else 别的东西(事情 arrive at/in+地方名词 到达某地 as…as像...一样 as…as one can尽量 as if 好像 as long as 只要 as soon as一会....就.... as soon as possible尽快,尽可能早地 as usual像往常一样 as well as也,又 ask for要求(做)某事 ask sb. to do sth. 要求某人做某事 at breakfast早餐时 at firt起先,开始的时候 at home在家 at last最后,终于 at least至少;起码 at midnight 在半夜 at night在夜里 at noon在正午 at once马上 at school在学校(上课) at sea 在海上 at the beginning of在...开始时 at the cinema看电影 at the age of在...岁的时候 at the door在门口 at the edge of在……边缘 at the end of在……的结尾 at front of在……(外部的)前面 at the front of在……(内部的)前面 at the foot of在……脚下 at the head of在……的前面;在……的排头/前面 at the top of在……顶上/部 at the very top 在最顶层 at the moment此刻;正在那时 at that moment正在那时 at the same time同时 at the starting line在起跑线处/上 at this time of the year在一年中这时候 at times偶尔;有时,时常 at work在工作 around the world世界各地 at this rate 照此速度 at times 有时,间或 aware of意识到 at someone's disposal 任...处理 at