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announce sth. to sb. 向某人宣布……
announce to sb. sth. 向某人宣布……
answer for 為……負(fù)責(zé)任
anyone who = whoever 任何人(引導(dǎo)主語從句)
apart from 除……外還……
appear to do 好像……
apply for 申請
apply one's minds to 專心于
appreciate doing 感激做……
as a matter of fact 實際上
as a result of 由于……
as if 似乎、好像(引導(dǎo)方式狀語從句)
as long as 只要(引導(dǎo)條件狀語從句)
as one body 像一個人一樣
as soon as 一……就……(引導(dǎo)時間狀語從句)
as though 似乎、好像
as well as ①和……一樣 ②與……一樣好
as well 也;一樣
ask (that) sb. (should) do 要求某人應(yīng)該做某事(虛擬語氣)
ask for a leave 請假
ask sb. for advice 取得某人的建議
ask some questions of sb. 向某人提問(書面語)
at a distance 有一些距離、在遠(yuǎn)處
at a great depth 在很深處
at a loss 不知所措、困惑不解
at a low/high price 價格低(高)
at a low/high speed 速度很慢/快地……
at a mouthful 一口、滿口
at a safe speed 以安全速度行駛
at a speed of 以……的速度行駛
at a time 一次;有時、曾經(jīng)
at first blush 猛一看，乍一看
at full speed 全速前進(jìn)
at least 至少、最少
at least…if not more 如果不是更多，至少也……
at most 最多、至多
at one time 曾經(jīng)、以前
at present 現(xiàn)在
at that very moment 就在那個時候
at the ball 在舞會上
at the beginning of 在……的開始
at the bottom of 在……的底部
at the cost of 以……為代價
at the crossing 在十字路口
at the invitation of sb. 應(yīng)某人邀請

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