However, just once, you inadvertently let go or a turning moment, some things completely changed.

然而，就是那么一次，在你不经意的一放手或一转身的瞬间，有些事情就完完全全的改变了。

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In hydraulic transmission system, turning moment and rotational speeds of pump impellers and turbines have to be kept steady in order for the normal operation of the system.

在液力传动系统中，泵轮和涡轮的转矩及转速应保持稳定才能使系统正常运行。

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At that moment he heard Gill's key turning in the lock of the door.

那时他听到吉尔的钥匙在门锁里转动的声音。

《柯林斯英汉双解大词典》

As brave as this supposed employee may be, it may come back to bite him, but his Spartacus moment is turning into a rallying cry for the victims of one of the biggest launch disasters in modern gaming history.

FORBES: EA Employee Chastises Company Over SimCity in Public Letter

Lo and behold, an agent could be turning down my street at any moment, perhaps to go fishing on our Yellow River, and would discover my untapped talent.

FORBES: Living The Dream

Mountain View, California (CNN) -- At this moment we have reached a major turning point for both science and the public at large.

CNN: What if there's somebody else out there?