Phyloembryogenesis
胚胎系统发育
🗣️ 情景例句
If you waste all your time playing computer games, you'll never get anywhere in life.
如果你花过多的时间在电脑游戏上，你将前途黯淡。
I put some photographs in the envelope.
我在信里夹了几张照片。
Good morning, teacher.
老师早上好！