Read Edit View history 碳酰氯 tànxiānlǜ phosgene Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 碳酰氯 · tànxiānlǜ · phosgene 2026/03/04 碳酰氯 tànxiānlǜ phosgene carbonyl chloride (COCl2), a highly toxic gas used in industrial synthesis and as a chemical weapon 碳酰氯在第一次世界大战中被广泛用作化学武器。 noun created sense Mar 4, 2026, 02:25 AM