Phyloembryogenesis
胚胎系统发育
🗣️ 情景例句
Richard! I haven't brushed my hair. Richard
我头发都没有梳。
We shall never have friends if we expect to find them without fault.
指望朋友无缺点，永远休想交朋友。
Good morning, class.
同学们，早上好！