He emphasized the need to maintain Britain's defences at a level sufficient to deal with the unexpected.

他强调需要将英国的防卫力量维持在足以应付突发事件的水平。

《柯林斯英汉双解大词典》

In our times, human shrewdness has mastered the deep mysteries of the earth at a level far beyond the capacities of earlier peoples.

在我们这个时代，人类的精明已足以掌握地球的深层奥秘，其程度远远超过了早期人类的能力。

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His cry is pitched at a level that makes it impossible to ignore.

他哭声之大让人不可能置若罔闻。

《柯林斯英汉双解大词典》

It happened so early in the flight, at a level of about 900 meters, that the crew had little time to decide what to do.

VOA: special.2009.01.30

So, evolution works at a level of the genes and because of that it could give rise to animals that are themselves altruistic.

进化论起作用的是我们的基因,因此进化论能产生,有利他主义的动物。

耶鲁公开课 - 心理学导论课程节选

Whereas, 27% of whites are reading at a low level, 22% of Asian-Pacific kids are reading at low level.

也处于低水平，然而，27%的白人孩子阅读能力很差，而22%亚太地区的孩子阅读能力很差。

麻省理工公开课 - 媒体、教育、市场课程节选

That said, they remain at a level that indicates growth will be weak by historic standards.

WSJ: OECD Sees India Lagging Other Major Economies

Overall sales increased 3.4%, increasing at a level it had not reached since November of 2009.

FORBES: Connect

And achieving re-entry at a level you believe is appropriate is more than challenging.

FORBES: Should You Lie to Land a Job?