Hesitation posisons your bravery, will and initial velocity.

踌躇将拖慢勇气 、 意志、初速.

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To change the initial velocity, click on the applet and then change the velocity slidebar.

你可以改变气体分子的速度来观察气压有怎样的变化.

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That initial velocity depends, in part, on the length of their toes.

而起跑的速度部分依赖于脚趾的长度.

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