Bell gastrula
[医] 钟状囊胚, 原囊胚
🧩 词语组成解析
bell
[bel]
n. 钟，铃;钟声，铃声;钟状物;[建]圆屋顶;
vt. 敲钟;系铃于，给…装上铃;使成铃状;把…放在钟形罩内;
vi. 使象钟状地张开;鸣钟;
n. 原肠胚\\n[医] 原肠胚
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
I'm a federal employee. I work for the Department of Labor.
我是一个联邦雇员。 我为劳动部门工作。
Yes, a lot of people like it. Some are very good at it.
对，许多人喜欢。有些人划得很好。