Researchers now report just such a discovery: the joint of a beetle leg that turns inward and outward like a screw.

现在，研究人员正是关于这样一个发现做出报告：甲虫肢体关节内外旋转和螺丝的原理异曲同工。

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Humans turn a screw to make it move along its length, but the weevil's muscles pull along the length of its leg to make it turn.

人类旋转螺丝使其前进，而象鼻虫的肌肉沿着腿的方向牵拉，使其旋转。

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Muscles control how much the leg can turn on the screw threads, the researchers report online today in Science.

肢体通过这种螺旋纹的旋转受到肌肉的控制，科学家今日已于科学在线报道了这一成果。

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Screw on your peg leg and strap on your eye-patch this escape will shiver ye timbers.

BBC: Daily deal: Bahamas island fun