Lacticcasein
乳酪素
🗣️ 情景例句
I can see well both day and night.
我白天晚上都能看得很清楚。
The cheque will be cleared in about three days.
大概在3天后，支票就可以兑现了。
Our school is in the east of Beijing.
我们学校在北京的东部。