A massive rock fall trapped the men as they operated a tunnelling machine.

那些男人在驾驶隧道掘进机时，一次大面积的岩崩困住了他们。

《柯林斯英汉双解大词典》

They operated for hours and the ongoing tension in the air became oppressive.

手术进行了好几个小时，持续的紧张气氛变得压抑起来。

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Doctors made more money from fees and "tips" from families if they operated, the researchers found.

研究人员还发现，通过手术收费和家属的“红包”，医生可以赚更多的钱。

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And,they explained to the children watching how they operated the puppets.

VOA: special.2009.09.23

So, if you imagine this is growing up as the polis comes into being, let me describe what a hoplite was like and then try to describe what the phalanx was like and how they operated and what are some of the consequences of their coming into being.

假设该战术是随城邦的形成而发展起来的,那就让我来描述一下,重装步兵的组成,方阵的组成及其运作方式,包括该战术发展起来之后所产生的影响

耶鲁公开课 - 古希腊历史简介课程节选

All these firms and managers operated conditioned by the economic context in which they operated.

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The name symbolized that they operated outside of Nasdaq but had a bridge to it.

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It is believed they operated from serviced offices in the Rumney area of Cardiff.

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