足跟离地期(heel-off)时,由小腿后侧肌群向心收缩带动的推进力(push-off),形成 前脚掌的律动(forefoot rocker),再进入大腿后侧肌群 (hamstrings)的向心收缩,使得下肢 的膝关节产生屈曲的动作让脚尖离开地...
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push off 走掉 ; 离开 ; 蹬雪 ; 蹬离冰面
push-off moulding machine 带顶杆的造型机
push-off leg 点冰脚 ; 起跳脚
Crazy Push Off 疯逛推推乐 ; 疯狂的推挤
push off to skating 推进式滑行
push-off barge 推航式驳船
V to move into open water, as by being cast off from a mooring (起锚)进入水域 (See also push out)
Patented EZ Port is the simple drive on, push-off method of dry docking.
获得专利的 EZ Port 是进干船坞简捷上墩、下水的解决办法。
In other words, sprinters sacrifice the mechanical advantage of a long lever for the benefit of a stronger push-off.
换句话说，短跑选手牺牲了长杠杆所带来的力学优势从而获得了更为迅猛的起跑速度。
Hey, what are you doing? Push off!
嘿，你在干什么？滚开！
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