Ectoblast
n. 外胚层\\n[医] 外胚层, 外膜
🗣️ 情景例句
OK. Since you put it this way. I'll have to comply.
好吧。既然你这么说，我只好同意了。
What shall I send hin for his anniversary?
我要送他什么东西作为周年纪念礼物？
How do you go to work everyday?
你每天怎么上班？