释义 |
call on sb/sthphr v [t] 1. also 又作 call upon to formally ask someone to do something [正式地]要求[某人做某事]:◇the un has called on both sides to start peace talks. 联合国已要求双方开始和平谈判。 2. to visit someone for a short time [短时间]拜访[某人]:◇a salesman calling on customers 一个走访客户的推销员 |