常用英语短语
at no time 从不,决不
at one time 曾经,一度;同时
at present 目前,现在
at someone’s disposal 任…处理
at the cost of 以…为代价
at the mercy of 任凭…摆布
at the moment目前
at this rate 照此速度
at times 有时,间或
aware of意识到 ???
常用英语短语
at no time 从不,决不
at one time 曾经,一度;同时
at present 目前,现在
at someone’s disposal 任…处理
at the cost of 以…为代价
at the mercy of 任凭…摆布
at the moment目前
at this rate 照此速度
at times 有时,间或
aware of意识到 ???
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