Lactonic ketone
[机] 内酯
🧩 词语组成解析
a. [化]内酯酸的, 无水氢氧酸类的
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
How do you do?
你好！
Two dogs strive for a bone, and a third runs away with it.
鹬蚌相争，渔翁得利。
I'd like to hear your advice.
我想听听你的意见。