1. 他跌倒時(shí)背部受了傷。
   He hurt his back when he fell.
2. 整骨醫(yī)士正給她治療受傷的背部。
   An osteopath has been treating her injured back.
3. 她背部受傷，正在作一個(gè)月的牽引治療。
   She's injured her back and is in traction for a month.
4. 他這一跌，背部　得很厲害。
   He gave his back a nasty jar when he fell.
5. 他這一跌，背部　得很重。
   He jarred his back badly when he fell.
6. 兇手把刀刺進(jìn)她的背部，殺害了她。
   The murderer killed her by thrusting a knife in her back.

背的英語翻譯：

部的英語翻譯：