Dgf
[医][=duct growth factor]导管发育因子
🗣️ 情景例句
She was a beauty in her day.
她年轻的时候是个美人儿。
My home is in the capital.It's a cosmopolitan city.
我的家在首都.它是一个国际性的城市。
This was more than we could bear, so we decided to spend our last day exploring the countryside.
人多得使我们难以忍受，于是我们决定利用最后一天去乡间一游。