Lactan
[医] 内酰胺, 酯(音涓)
🗣️ 情景例句
Thank you.
谢谢你。
There was a big choice of shops in the small town.
这个小镇上有好多商店可供选择。
Another one? They're delicious -- but no, thank you very much.
再吃一块？味道是很好，但我不要了，非常感谢。