
as a matter of fact 事实上
as a result 结果,因此
as a result of 作为……的结果
as a usual 和平常一样
as well 也,还
as well as 既……也,和……一样
ask for 请求,要求
ask for a leave 请假
at a loss 不知所措,困惑不解
at a speed of 以……的速度行驶
at a time 一次,有时,曾经
at all 根本,毫不,究竟,到底
at first 起初,开始时
at home 在家
at last 终于,最后
at night 在夜里
at noon 在中午
at once 马上,立刻
at one time 曾经,以前
at present 此刻,现在
at least 至少
at the least 至少
at most 顶多
at the most 顶多
at the age of 在……岁时
at the beginning of 在……之初
at the end of 在……之末
at the centre of sth. 在……中心
at the front of sth. 在……前面
at the back of sth. 在……背后
at the bottom of sth. 在……底部
at the end of sth. 在……末端
at the foot of sth. 在……脚下
at the head of sth. 在……前头
at the top of sth. 在……顶上
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