Lactan
[医] 内酰胺, 酯(音涓)
🗣️ 情景例句
Oh, thanks, Harry.
噢， 谢谢你 ，Harry。
My book has a dark blue cover.
我的书有一个深蓝色的封面。
He was on his way to a lecture, when a tourist stopped him and asked him for directions.
他走在去听课的路上，此时一位游客拦住他问路。