Lactoprecipitin
乳沉淀素
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
Do you have a book?
你有一本书吗？
I'd like you to meet my parents, too.
我也想让你们见见我的父母。