短语词组短語Please back the check 請在支票上背書back a check 背書支票;負責付款;繙譯back fire check valve 逆火止廻閥back -check condition 檢核條件to back a check 背支票;詳細繙譯;背書支票Electronization back -check 電子化檢查telephone back -check 電話覆檢 返回 back check