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
We'd wait until dark and make a fire,
我们等到天黑就升火，
Sit down, please.
请坐。
Today, enough soundings are available to enable a relief map of the Atlantic to be drawn
现在已有足够的水深测量数据来绘制一张大西洋洋底地形图，