Ectoblast
n. 外胚层\\n[医] 外胚层, 外膜
🗣️ 情景例句
Jack, Would you please read this letter of application I've just written?
杰克，你能读一下这封我刚写的求职信吗？
Worry kills more men than work.
忧虑比劳累更伤人。
John's day.
约翰的一天。