Lactonic
a. [化]内酯酸的, 无水氢氧酸类的
🗣️ 情景例句
Do you like white or colored pearls?
你喜欢白的或彩色的珍珠吗？
He tried to sell me his lousy radio.
他想把他那台破收音机卖给我。
I'm not going to put up with this!
我再也受不了啦！