悬在丝上的蜘蛛身体为什么不容易晃动？法国研究人员发现，原来蜘蛛丝中含有一种特殊的分子结构，能使蛛丝富有弹性，很容易克服摆动。
A new study reveals that dragline silk, the stuff spiders use to rappel, has a molecular structure that makes it resilient to twisting.
当摆动或晃动方向平行于表盘时，影响是最大的；
When the swing or shaking direction is parallel to the dial, the influence is biggest;
接着他晃动所有的砝码，让它们像教堂里的油灯一样地来回摆动。
Then he set them all to swinging back and forth, like the lamps in the cathedral.
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