1. call on/upon sb to do sth号召某人干某事;恳求?请(叫)某人干某事?例如: The headmaster called on the students to work harder. 校长号召学生们更努力地学习? We are calling upon you to help us. 我们恳求你的帮助? 2. call on/upon sb拜访;看望某人; call at ...
常见动词: want, wish, ask, tell, order,beg, allow, permit, help, advise, persuade, cause, force, warn, invite, urge,encourage, prepare, call on, would like, wait for, etc. I got them to join us in the discussion. They are waiting for the school bus...
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