短語詞組短語back -leg 后腿back and leg dynamometer 背腿測力器Back and leg aches 背與足的疼痛pull back the leg 收腿Back pain leg pain 政策問題back on leg 通常叫take back the leg 收腿draw back the leg 收腿back of leg 小腿后區(qū) 返回 back leg