Lactones
(lactone 的复数) n.[化] 内酯
🗣️ 情景例句
Please sit down.
请坐下。
Two wrongs don't make a right.
两个错误不能构成一个正确。
We cannot proceed any further without receiving your thoughts with respect to the manner of payment.
我们如果不了解你们对付款方式的意见，便不能进一步检讨。