用于: be applied tobe used foruse foruse inuse onuseinuseonusefor
筋: 名词1.(肌的旧称) muscle2.[口语] (肌腱或骨头的韧带) tendon; sinew 短语和例子扭了筋 get one's sinew [tendon] sprained; 蹄筋 tendons of beef, mutton or pork3.[口语] (可以看见的皮下静脉血管) veins that stand out under the skin 短语和例