Someone had played a trick on her, stretched a piece of string at the top of those steps.

有人对她搞恶作剧，在那些台阶的顶部拉了一根绳子。

《柯林斯英汉双解大词典》

You can get anything of these prizes, if you can string this flag up on the top of the flagpole.

如果你能把这面旗子挂到旗杆顶部，你就可以拿这些奖品中的任何一件。

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The gooseneck mounted on top of the injector head feeds the tubing string from the reel around a controlled radius into the injector head.

固定于注入头顶部的鹅颈将挠性管柱从卷筒绕着一个受控制的半径送入注入头。

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