Lacticcasein
乳酪素
🗣️ 情景例句
We need to know about your history with animals.
我们要了解你以前与动物的关连。
Bring up a raven and he'll pick out your eyes.
养虎贻患。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，