基本解释[医] 痉笑词组短语短语risus s sardonicus 痉笑sardonicus risus 翻译risus sardonicus更多词组英英字典柯林斯英英字典 fixed contraction of the facial muscles resulting in a peculiar distorted grin, caused esp by tetanus (Also called trismus cynicus) risus sardonicus剑桥字典risus sardonicus柯林斯字典专业释义医药科学痉笑