hit in the leg腿是硬部位为什么用in

hit in the leg腿是硬部位为什么用in hit sb on the leg还是in the leg hit sb on/in/by the +身体部位,什么情况下分别用on,in,by hit sb .in the face为什么用in A bullet hit the soldier and he was wounded in the leg. hit sb on/in/by the+身体部位,什时候用on ,什么时候用in和by 21.A bullet hit the soldier and he was wounded in leg. A bullet hit the soldier and he was wounded in _____ leg. 击中某人的眼睛 英文翻译hit sb. in the eye 为什么要用in? kick sb in the leg hit me in the foot in the leg和on the leg 有什么差别?