Ectoderm
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
I was a member of the debate team.
我是辩论队的成员。
What is wealth good for,If it brings melancholy?
财富如带忧郁来，有了财富有何用？
After all, I am the only one of my aunt's relations still alive.
不管怎么说，我是我伯母的亲戚中唯一一个还活着的人。