apply one's minds to 专心于
appreciate doing 感激做……
as a matter of fact 实际上
as a result of 由于……
as if 似乎、好像(引导方式状语从句)
as long as 只要(引导条件状语从句)
as one body 像一个人一样
as soon as is necessary 如果可能的话尽快……
as soon as 一……就……(引导时间状语从句)
as though 似乎、好像
as well as ①和……一样 ②与……一样好
as well 也;一样
ask (that) sb. (should) do 要求某人应该做某事(虚拟语气)
ask for a leave 请假
ask sb. for advice 取得某人的建议
ask some questions of sb. 向某人提问(书面语)
at a distance 有一些距离、在远处
at a great depth 在很深处
at a loss 不知所措、困惑不解
at a low/high price 价格低(高)
at a low/high speed 速度很慢/快地……
at a mouthful 一口、满口
at a safe speed 以安全速度行驶
at a speed of 以……的速度行驶
at a time 一次;有时、曾经
at first blush 一瞥
at full speed 全速前进
