wrench or twist the ligaments of (an ankle, wrist, or other joint) violently so as to cause pain and swelling but not dislocation
扭伤(脚踝,手腕,其他关节)
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he left in a wheelchair after spraining an ankle. 脚踝扭伤以后他坐着轮椅离开了。
the result of such a wrench or twist of a joint
扭伤。
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sprainv.扭伤
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strainv.竭尽全力;使(身体部位)充分发挥功能;将…过滤;拉紧;努力;绷紧;使劲;张紧;尽力;扭伤
" early 17th cent.: of unknown origin."