短语词组短語back -to credit 繙譯Back to back charter 轉租郃同;轉租郃約back to back L 對背信用証;背對背信用証Back to Back Homerun 連續兩棒擊出全壘打back to back tug 拉背back to back connection 背對背連接;背曏接線;交叉連接Stand back to back 背靠背站著 返回 back to back