Most of the infections 大多数的传染病 which we think of as human infections 那些我们视作为人类传染病 started in other animals 始于其他的动物
你关系代词加错地方了
Most of the infections 大多数的传染病 which we think of as human infections 那些我们视作为人类传染病 started in other animals 始于其他的动物
你关系代词加错地方了