| 词汇 | be at |
| 释义 | be at 复合形式： be aimed at [sth/sb] v expr (be intended for)目的在于；被用于This series of videos is aimed at preschool-aged children. can't be in all places at one time v expr US, informal (have too many obligations) (因事情太多)分身无术I can't be in all places at one time so someone will have to help me.我分身乏术，因此有人需要帮助我。 |
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