Caseidin
n. [生化]酪蛋白免疫素
🗣️ 情景例句
Oh! Hi, Grandpa. Yes, of course, I am, but my mind isn't.
噢， 嗨， 爷爷。是的， 当然， 我准备好了， 但是有点心事。
They say we're going to get some rain later.
据说待会儿要下雨。
Even if you travel in ideal weather, sea journeys take a long time.
即使风平浪静，坐船旅行也要占用很长时间。