Dgf
[医][=duct growth factor]导管发育因子
🗣️ 情景例句
Good night, Dad.
晚安， 爸爸。
Choose an author as you choose a friend.
选书如择友。
It is said that a new policy is being put into practice in your foreign trade.
据说你们正在实施一种新的对外贸易政策。