push-off

基本解释

Gastroc Stretch: This push-off exercise is the one you most often see runners doing before races.
拉伸腓肠肌：这个推的练习是你能常常看到的跑步者在跑前做的练习之一。
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。
If you look up, you lose most of your momentum, and this slows you down on every part of the turn, including the push-off.
如果你看的话，你会损失大部分冲力，并且这会让你在转身的每个动作都减慢，包括蹬壁。
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Also, we almost always have more urgent things to do and so we push off long-term goals.
FORBES: How to Start the Big Project You've Been Putting Off

to move into open water, as by being cast off from a mooring (See also push out)