名詞 spasm:

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

1. A sudden sharp spasm of pain.
   陣痛突發(fā)的尖銳的痙攣痛
2. A spasm or fit; a convulsion.
   陣發(fā)痙攣或短暫發(fā)作; 抽搐
3. The muscles in the athlete's leg went into spasm.
   那運動員的腿抽筋了。
4. They burst into a spasm of laughter.
   他們爆發(fā)出一陣笑聲。