Paratuberculin
副结核(杆)菌素
🗣️ 情景例句
Wonderful!
好极了！
My brother is a member of the faculty.He teaches economics.
我的兄弟是全体教员中的一员，他是教经济学的。
but the took a long time to send them Meanwhile,
但过了好长时间不见他把数字寄来，