Make sure there are no suspended air bubbles in the water when you are backing the lever out. The lever actuation must be slow and smooth here.

确定当你把拉杆拉回来时里面没有不会动的气泡，这个步骤里刹把的动作要缓慢且滑顺。

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Strengthened with steel, the $9.99 hair clip boasts an array of handy tools and can open beer bottles, file chipped nails and even lever out a pin stuck in a shoe.

这款用钢材加固的发卡售价9.99美元，包含一系列简便工具，能开啤酒瓶、能锉光指甲、还能撬出扎到鞋里的钉子。

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When I got to this result, I pointed out that therefore, you can use the lever rule.

当我得到这个结果时，我指出，因此，你可以使用杠杆法则。

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The lever gets them out of the box, but after more and more trials they stopped scratching at the bars, pushing at the ceiling and so on.

杠杆让它们逃出迷笼，但在经历多次尝试之后,它们不再抓栏杆，不再推顶棚。

耶鲁公开课 - 心理学导论课程节选

And the trick to a puzzle box is there's a simple way to get out but you have to kind of pull on something, some special lever, to make it pop open.

这个谜笼的设计是这样的,只要小猫拉动一个东西,它就能够逃出去，拉动一个特殊的杠杆，迷笼就会打开。

耶鲁公开课 - 心理学导论课程节选

But many Israelis say that quitting Gaza is the thin end of a wedge that will eventually lever Israel out of much or all of the West Bank as well.

ECONOMIST: Israel and the Palestinians

The settler movement as a whole sees disengagement as the thin edge of a wedge that will eventually lever Israel out of the West Bank and parts of Jerusalem as well.

ECONOMIST: Israel's settlers

The six-party talks have got further than previous efforts to lever North Korea out of the bomb-making business.

ECONOMIST: Time for North Korea to come clean about its nuclear past