Dgf
[医][=duct growth factor]导管发育因子
🗣️ 情景例句
He appeared ill at ease at the party.
他在宴会上显得很拘谨。
The doctor said I look pale.
医生说我看起来很苍白。
Then the bees left the hive and went to the feeding place.
然后那些蜜蜂离开蜂箱，飞到喂食点去。