罗瑟斯塔研究所的研究人员重新设计了蜘蛛运动模式，让最强韧的用来四处活动和阻挡猎物的牵引丝具有弹性和柔韧性。
Researchers at Rothamsted Research redesigned the model to allow for elasticity and flexibility in the spider's dragline, its most sturdy line of silk used for moving about and snagging prey.
沉重的纲索从一个塔牵引到另一个塔上去的时候，麻烦来了。
Trouble struck when they were stringing the heavy cable from one tower to the other.
奥斯塔ii橡胶外底增加耐用性和牵引力。
奥斯塔ii橡胶外底增加耐用性和牵引力。
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