Lactonic
a. [化]内酯酸的, 无水氢氧酸类的
🗣️ 情景例句
It's good to see you so happy.
能看见你如此高兴 ，太好了。
I've always tried not to interfere in your affairs.
我总是尝试不干预你的私事。
Mr. Smith knew Jack didn't look at the others because he was nervous.
史密斯先生知道杰克不敢看别人是因为紧张。