Carbonyl oxygen
[建] 羰基(中的)氧
🧩 词语组成解析
[医] 羰基, 碳酰
🗣️ 情景例句
why don't you introduce everybody to Susan?
何不将她们每一位介绍给 Susan？
I was not aware of the danger.
我没有意识到危险。
Their parents usually tell them that Father Christmas will come during the night.
他们的父亲通常告诉他们，夜间圣诞老人会来的。