suddenly spring or flinch back in fear, horror, or disgust
（因害怕、恐惧或讨厌）弹回，跳回
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he recoiled in horror .他吓得直往后退。
feel fear, horror, or disgust at the thought or prospect of something; shrink mentally
想起来感到害怕（或恐惧、讨厌）；退却，后退；退缩，畏缩
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Ronni felt herself recoil at the very thought .朗尼一想起这一点就感到恐惧。
(of a gun)move abruptly backwards as a reaction on firing a bullet, shell, or other missile
（枪炮）产生后坐力，反冲。
rebound or spring back through force of impact or elasticity
回弹，反弹
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the muscle has the ability to recoil .肌肉有回弹力。
(
（动作）对（作用力）产生反作用力；反冲。
the action of recoiling
弹回，跳回；后坐力；反弹；反冲
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his body jerked with the recoil of the rifle .步枪的反冲力使他的身体猛地震动了一下。
"Middle English （denoting the act of retreating）： from Old French