Lactasin
[化] 乳酶生
🗣️ 情景例句
You messed up.
你办砸了。
Judy is so reserved that it is hard to understand her.
朱迪非常内向而木讷，因而很难使人了解她。
I'm sorry, these 2 books are 3 days overdue.
小姐，对不起，这两本书已经过期3天了。