短语词组短语extremity injury 肢体损伤tubal extremity [解剖]输卵管端Extremity arteriography 下肢动脉造影extremity routine 末端程序extremity distal 肢体远端lower extremity 下肢upper extremity 上肢the last extremity 极大的危险(或不幸消息),穷途末路，绝境，死 返回 extremity