Blaastula
[医] 囊胚, 囊胚泡
🗣️ 情景例句
Yes, but I don't know where to start.
是的 ，但我不知道从何说起。
The dust raised by the sheep does not choke the wolf.
羊踩起的灰尘挡不住狼。
It looked as if there would be an exciting race across the Channel.
看来会有一场激烈的飞越英吉利海峡的竞争。