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。

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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”。

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He had thought of everything except this — that he should one day be called upon to see his father.

他什么全想到过，却没有料到他有要去看父亲的一天。

youdao

He's a literary power, a figure who could be called upon to supply the voice of tradition in itself.

他是一种文化力量，一个,可以随时用来声援传统文化的人物。

耶鲁公开课 - 弥尔顿课程节选

He can be called upon in fact exactly as he is by Lady Mary here.

正如这里玛丽夫人援引米尔顿一样。

耶鲁公开课 - 弥尔顿课程节选

The American president may also be called upon to help repair relations between Israel and Egypt.

ECONOMIST: America and the Middle East

Were Mr Huhne to leave the cabinet, his natural replacement would probably not be called upon.

ECONOMIST: More Liberal Democrat woe

The new recruits have been warned they could be called upon to help in Libya if needed.

BBC: New pilots get their wings at Somerset's RNAS Yeovilton