Ectoderm
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
Thank you.
谢谢。
Are you going to go anyplace this year?
你今年将去一些地方吗？
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。