spasm
[ˈspæzəm]
n.
痉挛;
抽搐;
（能量、行为等的）突发;
发作;
例句:
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A muscular spasm in the coronary artery can cause a heart attack.
冠状动脉的肌肉痉挛可能导致心脏病。
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A lack of magnesium causes muscles to go into spasm.
缺镁会导致肌肉痉挛。
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A spasm of pain brought his thoughts back to the present.
一阵剧痛把他的思绪拉回到了现在。
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My leg would spasm and jump off the bed.
来自THETIMES
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Her insides contracted in a spasm of disgust.
来自R. Lindner
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Every lurch...sent a spasm of agonizing pain coursing through his body.
来自M. Scammell