Csf
[化] 集落刺激因子
🗣️ 情景例句
I want a 3-button wireless mouse.
我想要一个三键光电鼠标。
Goodbye. Thanks again for everything.
再见了，再次感谢你所做的一切。
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。