Ectoderm
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
I'm awfully sorry.
非常抱歉。
A leader should not dictate to his followers.
领导者并不是向部下下达命令便了事的。
She never pitied me; she never praised me unless what I did was as good as that of the best of a normal person.
她从不怜悯我，她也从不表扬我，除非我所做的事像正常人干的那样出色。