Phosgene
n. 光气, 碳酰氯\\n[化] 光气; 碳酰氯
📖 牛津释义
phosgene
n[U]
poisonous colourless gas used in chemical warfare, and in industry to make dyes, fertilizers, etc 光气; 碳酰氯.
🗣️ 情景例句
Does he have a family?
他有亲人吗?
I mean what I say.
我说话算数。
By 1820 the population of New York had grown to about 125,000, making it the largest city in the USA.
到1820年,纽约市的人口增长到12。5万人左右,使它成了当时美国最大的城市。
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