Kallidinogen
胰激肽原
🗣️ 情景例句
Well, what do you want to do?
那你想干什么？
Scratch a Russsian, and you('ll) find a Tartar.
文明不能改变本性。
small at first, narrowly contained within its banks,
开始很小，被紧紧地夹在两岸中间，