Dgf
[医][=duct growth factor]导管发育因子
🗣️ 情景例句
Ask him to join us for lunch.
请他来和我们一起吃午饭。
We can only guess what his next move might be.
我们只能推测他在下一次将有什么动向。
The vicar has been asked to have the tree cut down, but so far he has refused.
人们曾请求教区的牧师叫人把树砍掉，但他直到现在也没有同意。