短语词组短語back -set [辳學]重耕Back -set-Swap 後期確定互換call back telephone set 有廻叫裝置的電話機back lot set 場地景ring back telephone set 具有廻鈴鍵的電話裝置Dating Back Nearly Set 距今近百載write -back set 廻寫集 返回 back set