Lacticcasein
乳酪素
🗣️ 情景例句
Don't worry, it's in the bag.
不用担心， 这事儿十拿九稳。
The plate is dirty, Would you bring me a clean one, please?
这碟子是脏的，请你拿个干净的给我。
For them this is a major operation which involves considerable planning.
看戏在他们是件大事，需要精心计划。