单词
jumper
读音
无
美式
英式
词根
无
释义
["跳跃者"]
例句
By applying Newton's laws to these motions, 'we can say that this athlete's run is not fast enough; that this one is not using his arms strongly enough during take-off,' says Dapena, who uses these methods to help high jumpers
In Fosbury's case, it was the cushions that jumpers land on
By applying Newton's laws to these motions, 'we can say that this athlete's run is not fast enough; that this one is not using his arms strongly enough during take-off,' says Dapena, who uses these methods to help high jumpers
In Fosbury's case, it was the cushions that jumpers land on
强化记忆
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of the center of mass of the jumper.The jumper runs very fast,so he can divert his horizontal velocity
the high jump to new heightsby splitting the jumper's bodyaway from his center of mass,
Wait for it...there.Look at the jumper's center of massas his body bends backward.
With the old, pre-Fosbury techniques,the jumper had to apply enough forceto lift his center of mass above the bar
you're either slinging crack rock or you got a wicked jump shot.Don't get it twisted, my jumper was wet.(Laughter)
所属分类
出国,专升本-自考,其他
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