Lactonic
a. [化]内酯酸的, 无水氢氧酸类的
🗣️ 情景例句
Will you please try to relax?
能不能放轻松些？
Did you hear something?
你听到了什么？
We also want to teach all the children to perform.
我们还想教会所有的儿童演奏。