科研之友
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<正>1. in front of在……(外)的前面;in the front of在……(内)的前面There’s a garden in front of the classroom.There’s a blackboard in the front of the classroom.2. in charge of掌管;负责;in the charge of在……负责之下An experienced worker is in charge of the project.The project is in the charge of an experienced worker.3. at table在吃饭;吃饭时;at the table在桌旁He seldom talks at table.
