Dgf
[医][=duct growth factor]导管发育因子
🗣️ 情景例句
Hello. Is Mrs. Montefiore there?
喂， Montefiore太太在吗？
The car is out of order.
这车子坏了。
Normal people tend to forget this process unless and until they are reminded of it.
衰老的过程，不经提起，正常人容易忘记；一经提醒，才会记起。