1·When Monica was called upon to give her speech, she stood up and walked to the front of the class without any notes, in a show of confidence.
当莫妮卡被叫去演讲时，她站起来，走到教室前面，没有任何笔记，表现得很自信。
2·Evaluation research is called upon to demonstrate successes or failures of social programs.
评估研究被用于论证社会项目的成败。
3·He's a literary power, a figure who could be called upon to supply the voice of tradition in itself.
他是一种文学力量，一个可以为传统本身发声的人物。
4·Whaley recalls how at the beginning of the year, when called upon to read, Chris would excuse himself to go to the bathroom.
威利回忆起在年初，当克里斯被叫去读书时，他常常找借口去洗手间。
5·In a 2011 USPS case study, the agency emphasized its massive infrastructure as a "unique federal asset" to be called upon in a disaster or terrorist attack.
在2011年美国邮政署 （USPS）的一项案例研究中，该机构强调其庞大的基础设施是遭遇灾难或恐怖袭击时需要使用的“联邦独有资产”。
6·So, the day finally came when they were called upon.
于是，有一天他们终于被动员起来了。
7·I called upon thy name, o LORD, out of the low dungeon.
耶和华阿，我从深牢中求告你的名。
8·Sixty years after the airlift, we are called upon again.
我们再次受到召唤时，已是空运之后的60年。
9·I called upon God not really knowing on whom I was calling.
我向上帝呼救，但我其实并不了解上帝。
10·They called upon WHO to develop a global strategy for this purpose.
他们呼吁世卫组织为此制定一项全球战略。