查词历史：
- Rigor mortis
n.
- 易混淆的单词：rigor mortis
1.
N-UNCOUNT
尸僵;死后强直 In a dead body, when rigor mortis sets in, the joints and muscles become very stiff.
- Noun
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1. temporary stiffness of joints and muscular rigidity occurring after death
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2. muscular stiffening that begins 2 to 4 hours after death and last for about 4 days
