在阿拉斯加州举行的艾迪塔罗德狗拉雪橇比赛中，在针对参赛者的一起故意袭击事件里，一名摩托雪橇手杀死了一条狗，并使多条狗受伤。
One dog has been killed and multiple dogs have been injured by a snowmobile driver in what appears to be an intentional attack on competitors in the Iditarod Race in Alaska.
在这种情况下，事实上蜘蛛无法控制它要去哪里，走多远，罗瑟斯塔研究所的科学家安迪·雷诺兹说。
The spider has virtually no control of where or how far it travels by this means, said Andy Reynolds, a Rothamsted Research scientist.
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.
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