Blastula
n. 囊胚
🗣️ 情景例句
I have two career opportunities at the same time.
我同时有两个事业机会。
An education enriches your mind.
教育能充实人的头脑。
While this was going on, Mr.Taylor was upstairs.
这开始发生时，泰勒先生正在楼上。