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
What did I do with the rings?
我把戒指放哪儿了？
Love makes obedience easy.
爱情使服从变为易事。
We can do that at the meeting tomorrow.
我们明天开会时再签订吧。