Blastulation
囊胚形成
🗣️ 情景例句
You should write about your education first.
你应该在开头就谈到你的教育情况。
Would you please leave the door unlocked for me?
可以请你为我把门锁打开吗？
He informed the station at once, but no one there was able to explain the mystery.
他马上把情况报告了该基地，但那里的人没有一个能解释这到底是怎么回事。