Carbonyl bond
[建] 羰基键
🧩 词语组成解析
[医] 羰基, 碳酰
🗣️ 情景例句
He's up there at the lodge.
他在那边小屋 。
It's a shame the weather is so bad.
真遗憾，天气如此糟糕。
Funny, said my brother.
“真有趣，”我弟弟说。