Dgf
[医][=duct growth factor]导管发育因子
🗣️ 情景例句
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
I remember George's father owns a ship.
我记得乔治的父亲有一艘船。
Good afternoon! I am. Today is 16th of December, 1995. Everybody is here except Jim Green.
下午好！今天我值日。今天是（星期和日期）。除了吉姆·格林外，所有人都到齐了。