基本解释n.[化]双光气(作战用之毒气)同根派生 diphosgene相关词英汉例句用作名词 (n.)It further proved that triphosgene replacing the deadly phosgene and diphosgene is feasible.进一步证明了三光气代替剧毒的光气和双光气可行性。diphosgene更多例句