... 刀齿旋转 pirouette 点冰脚 push-off leg 蹬离冰面 push off ...
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... push-off plate 推出板 push-off leg 点冰脚 ; 起跳脚 push-off device 推出装置 ...
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alternate-leg push-off 换脚推蹬
push off rear leg 后腿蹬地
·2,447,543篇论文数据，部分数据来源于NoteExpress
The scientists say that the back-leg push-off must have evolved first, with the ability to rotate and land softly evolving later.
科学家表示，后腿起跳这个动作必然比四肢交替摆动、轻盈落地的能力进化更早。
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