Blaastula
[医] 囊胚, 囊胚泡
🗣️ 情景例句
I would like to mail this package.
我想把这包裹给寄了。
An idle brain is the devil's workshop.
游手好闲是万恶之源。
Now the other stuents open their eyes, and guess who has the eraser.
现在其余的学生张开眼，然后猜谁手里有橡皮擦。