基本解释n.[化]雙光氣(作戰用之毒氣)同根派生 diphosgene相关词英汉例句用作名詞 (n.)It further proved that triphosgene replacing the deadly phosgene and diphosgene is feasible.進一步証明了三光氣代替劇毒的光氣和雙光氣可行性。diphosgene更多例句