摘要：
atlarge大多数,未被捕获的atleast至少atlast终于atleng th最终,终于atmost至多,不超过atnotime从不,决不byaccident偶然atonet... at large 大多数,未被捕获的
at least 至少
at last 终于
at length 最终,终于
at most 至多,不超过
at no time 从不,决不
by accident 偶然
at one time 曾经,一度;同时
at present 目前,现在
at sb's disposal 任.
..处理
at the cost of 以...为代价
at the mercy of 任凭...摆布
at the moment 此刻,目前
at this rate 照此速度
at times 有时,间或
