spasm

名词 spasm:

1. a painful and involuntary muscular contraction
   同义词：cramp, muscle spasm
2. (pathology) sudden constriction of a hollow organ (as a blood vessel)

1. A sudden sharp spasm of pain.
   阵痛突发的尖锐的痉挛痛
2. A spasm or fit; a convulsion.
   阵发痉挛或短暂发作; 抽搐
3. The muscles in the athlete's leg went into spasm.
   那运动员的腿抽筋了。
4. They burst into a spasm of laughter.
   他们爆发出一阵笑声。