Dgf
[医][=duct growth factor]导管发育因子
🗣️ 情景例句
Sure. Put it back in your room, and we'll hang everything up later.
当然。将它放回你的房间里， 过一会儿我们来一件件挂起来。
Shut up!
闭嘴！
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。