differential-speed
英
[dɪfə'renʃlsp'iːd]
美
[dɪfə'renʃlsp'iːd]
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用作形容词 (adj.)
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When it dives its heart slows to half its normal speed.
当它潜水时,它的心跳速度就减慢到正常心速的一半。
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If the glider is set in motion, it is observed to move at a constant speed.
假如让滑动物运动,就可以看到它的运动是恒速的。
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The different speed for each direction gives it the asymmetric label.
在每个方向有不同速度使它得到了不对称的招牌。
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