You help the other student build a tower from a pile of folders lying around in the room, then try to shoot it down with elastic-band powered paper balls.

你帮助那个学生用房间里四处撒着的硬纸夹建了一座塔然后试着用猴皮筋做弹弓发射纸团把塔击垮。

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In this method, a tight rubber band is placed round the neck of the pile so that its blood supply is cut off and it shrivels.

在此方法中，紧迫的橡皮筋是放在全面的颈部桩，以免其血液供应被切断，并。

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