碳酰氯 [－－－]

Jyutping taan3 sin1 luk6
Pinyin tàn xiān lǜ

Definitions (CC-CEDICT)
  1. carbonyl chloride COCl2
  2. phosgene, a poisonous gas
Definitions (Wiktionary)
  1. noun, Hong-Kong, Mainland-China
    phosgene; carbonyl chloride
    (syn.) 光气, 碳醯氯, 光氣