The first stage of the operation was to join up the bones.

手术的第一步是把骨头接上。

youdao

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He was given tactical command of the operation.

他被授以这次军事行动的作战指挥权。

《牛津词典》

As a result,those babies can have higher stress levels than those born without the help of the operation.

VOA: special.2009.11.24

One way to draw sort of a schematic diagram of the operation of the human body where it shows separated organ systems and tries to show them in context.

用这种图示的方法,示意人类身体的运作方法,图中单独表示出器官系统,并试图展示它们之间的联系

耶鲁公开课 - 生物医学工程探索课程节选

When I reflect on the first couple of years of Baidu's operation, I think there are three things that's very critical.

当我回想百度最初的那几年，有三件事是非常重要的。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

As part of the operation, doctors had to pull out his front teeth, Kelly said.

WSJ: Former Bills QB Kelly battling cancer of the jaw

Turkey, for one is very uneasy, not least because of scope of the operation.

BBC: Libya military operation: Who should command?

To stop any attack from wiping out a big piece of the operation, the Plano, Tex.

FORBES: Scare Tactics