Collastin
[医] 胶质素
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
What can it be?
它是什么呢？
If you are interested, I will prepare a list of them.
如果您感兴趣的话，我可以列表让你参考。