Blastodermic
胚层的, 胚盘的
🗣️ 情景例句
I hope to come back to the mode of payment.
我希望回过头来讨论付款方式。
What's so funny?
什么事那么好笑？
Susan hasn't been married, neither has Liz.
苏三没结婚，李兹也是。