Pentyne
戊炔
🗣️ 情景例句
He's the best pediatrician in Westchester.
他是全Westchester最好的小儿科医师。
Please sum up what you said just now.
请把你刚才说的总结一下。
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。