| 释义 | 
		sprains是sprain的复数 复数:sprains  现在分词:spraining  过去分词:sprained   v. wrench,twist,pull,injure,rick v.  | 1. to injure a joint by a sudden wrenching or overstretching of its ligaments  |  n.  | 1. a painful injury to the ligaments of a joint caused by wrenching or overstretching 2. a painful injury that you get when you suddenly stretch or turn a joint too much  |  
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