Blastulation
囊胚形成
🗣️ 情景例句
I can't believe this is really happening!
我不敢相信这一切真的发生了
Since we need the goods urgently, we must insist on express shipment.
由于我方急需这批货物，我方坚持使用快递装运。
he had included a large number of funny stories in the speech and, of course, it was a great success.
他的祝词里面加进了大量逗人的故事，自然大获成功。