call upon是什么意思 call upon怎么读
call upon的用法和样例
- We have to call upon the parents to help us educate the teenagers.
我们必须呼吁家长协助我们教育青少年。 - The deputies called upon the mayor to invite his cooperation in their work.
代表们拜访了市长,请他在工作上给予合作。 - This is done through an exec call to the system.
这是通过对系统实时访问实现的。 - She prompted me to call my relatives.
她鼓动我去访问我的亲戚。
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