Blastula
n. 囊胚
🗣️ 情景例句
In my country, we get a couple of days off for Easter.
在我国，我们在复活节的时候有好几天的假期。
How are you doing these days?
这些日子你怎么样？
Thank you, doctor, said Mrs. Brown.
“谢谢你，医生，”布朗夫人说。