The prime minister was an unwitting tool of the president.

首相不知不觉被总统利用了。

《牛津词典》

It enabled the crime, and it was the principal tool used to establish the identity of the prime suspect.

它为犯罪提供了条件，同时也是用于确定犯罪嫌疑人身份的主要工具。

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A tool that will allow the titaniumskeleton of the Orion heat shield to be bolted to its carbon fiber skin is atthe Denverfacility of the spacecraft's prime contractor Lockheed Martin.

在该航天器的主承包商洛克希德·马丁公司设在丹佛的设备上， 一个工具将可以使“猎户座”飞船热盾的钛骨架用螺栓固定在碳纤维皮肤上。

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Philip Johnson's legendary and persuasive charm was a prime tool in his arsenal of power.

WSJ: Philip Johnson: Short of Attention Span, Long on Aesthetics

That short-circuited the trade in protocolos, a prime tool in land grabbing.

ECONOMIST: The Brazilian Amazon: How green was my valley | The

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