Biphenylylpenicillin
联苯青霉素
🗣️ 情景例句
Robbie, this new Walkman is absolutely wonderful. Robbie
Robbie 这个新的随身听真棒。
If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。
In five hours' time!
5个小时以后！