Otherwise, you might feel as if you are using a socket wrench as a hammer hitting the handle of a screw driver to loosen a nut and bolt.

否则，您可能感觉到像用锤子一样使用一个套筒扳手来敲击螺丝刀手柄而拧开螺栓的螺母。

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The beetles are the first animals found to have a screw-and-nut mechanism in their bodies.

人们也是第一次在这种甲虫身上看到动物有螺丝——螺母式的身体构造。

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It looks like the beetles are using the screw-and-nut mechanism in the opposite way to humans, says Chris Lyal of the Natural History Museum in London.

甲虫组装身体时使用螺丝——螺母原理的方式和人类正好相反。

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