Gastrulation
[医]原肠胚形成
🗣️ 情景例句
Yes, a double room, please. What?
对， 双人房间 麻烦你。什么？
What should this sandwich be seasoned with?
这些三明治该加些什么调味品好？
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。