Dgf
[医][=duct growth factor]导管发育因子
🗣️ 情景例句
It's five years ago.
那是五年前了。
I'm going to buy five pieces.
我要买五片。
She will be arriving this evening and intends to stay for a few days.
她将于今天傍晚到达，并准备住上几天。