Caseidin
n. [生化]酪蛋白免疫素
🗣️ 情景例句
Although we hadn't met for 25 years, I recognized him the minute I saw him.
尽管我们有25年未见面了，我一看见他就认出来了。
Truth needs no colour; beauty, no pencil.
真理不些要色彩，美丽不需涂饰。
In fact, I was a bit frightened and didn't know what we should do.
事实上我有点害怕，不知道我们该怎么办。