1 a host of大量
2 a test for检测目的
3 a test on对……进行测试
4 a test with检测手段
5 above all最重要的;
6 according to根据
7 achieve equilibrium取得平衡
8 achieve one’s purpose达到目的
9 achieve success获得成功
10 achieve victory获得胜利
11 act on遵照┄行动,作用于;
12 act on对…有影响
13 add up to总计,合计
14 add… to把…加到….
15 adhere to坚持,奉行;
16 after all毕竟,均不合题意;
17 agree on对……取得一致意见
18 agree to同意
19 agree with sb.同意某人的话
20 along with和┄一道,和┄一起;
21 alternate (with)交替;
22 amount to合计,共计;
23 an equal to与……相当的人/物,(地位)相同的人
24 and yet然而
25 anything but 一点也不;
26 anything like像……那样的东西
27 anywhere near接近于
28 apart form除……之外尚有
29 apply to向……申请,适用于
30 appreciation of对……的欣赏/赞赏
31 argue against反对
32 as a result of作为……的结果,由于
33 as a result(作为结果,因此)表结果,用不用逗号隔开看情况而定;
34 as a whole作为一个整体,整个看来
35 as far as …/are concerned就……而言
36 as for至于,就…方面说
37 as if好像,仿佛
38 as soon as一~就~
39 as though好像,仿佛
40 as to至于,关于;
41 as well也,一样
42 as yet迄今,到目前为止
43 aside from除┄之外;
44 associate … with…由……联想到……,把……联系起来
45 association with与……的交往
46 at a disadvantage处于不利地位
47 at a loss不知所措
48 at a time每次,一次
49 at all丝毫,根本;
50 at any moment即使,随时。
51 at first首先,开始的时候;
52 at large未被捕获的,大多数;
53 at last终于,最终;
54 at least至少
55 at length最终,详细地;
56 at most最多
57 at no time从不,决不
58 at one time曾经,从前曾
59 at the cost of以……为代价
60 at the least至少;
61 at times有时,间或;
62 at…speed以……的速度
63 attend on照顾,侍候;
64 attribute … to把……归于
65 back up后退,支持;
66 base on基于
67 be able to能够,胜任