Ectoblast
n. 外胚层\\n[医] 外胚层, 外膜
🗣️ 情景例句
Are you ready to order now, sir?
先生，你准备点菜吗？
Eat at pleasure, drink with measure.
随意吃饭，适度饮酒。
I was doing my homework and forgot the time.
我在做家庭作业，忘记了时间。