Colitoxin
大肠杆菌毒素
🗣️ 情景例句
This place can be developed
我们可以拓展这个地方
There is a skeleton in every house.
每座房子都有骨架。
People who work in offices are frequently referred to as white-collar workers' for the simple reason that they usually wear a collar and tie to go to work.
坐办公室的之所以常常被称作“白领工人”，就是因为他们通常是穿着硬领白衬衫，系着领带去上班。