Ectoblast
n. 外胚层\\n[医] 外胚层, 外膜
🗣️ 情景例句
I want to thank you for giving me an opportunity to speak to you.
我要感谢大家给我一个机会来向各位讲话。
Do you often doubt yourself?
你时常怀疑自己吗？
The crowd suddenly grew quiet.
观众突然静了下来，可这醉汉像是很有把握似的。