Blastoporal
a. blastopore（胚孔）的变形
🗣️ 情景例句
What a bargain! Thanks for helping me with this shopping.
真是太划算了！谢谢你带我买这些东西。
A man has his hour, and a dog has his day.
人有称心时，狗有得意日。
The test finished. We began our holiday.
考试结束了，我们开始放假。