Blastula
n. 囊胚
🗣️ 情景例句
It's good, but it's a little expensive.
很好，不过价格有一点贵。
This knife is dirty.Would you bring me a clean one,please?
这把刀子是脏的.请你给我干净的一个,好吗？
Yes, I have.
是的，我刚去过。