基本解释n.火線n.安裝石油運輸琯線的工地;脩理琯線區域同根派生 firing-line相关词英汉例句用作名詞 (n.)This is a earth line rather than a live line.這一根是零線而不是火線。He was wounded but refused to leave the line.他受了傷,但不肯離開火線。firing-line更多例句