Lactones
(lactone 的复数) n.[化] 内酯
🗣️ 情景例句
Everyone is goofing around.
人人都在混时间。
You have too much time on your hands. Why don't you start a hobby?
你有太多的空闲时间，何不开始一样嗜好呢？
Marty
马蒂