Pregastrulation
原肠形成前期
🗣️ 情景例句
She does the housework, is that right?
她专门干家务，对吗？
As soon as she quit the room he returned to it.
她刚离开房间，他回来了。
Don't worry! said Ah Fang.We're safe. Don't be afraid. Let's go for a walk.
“不用担心！”阿芳说，“我们很安全。别害怕，我们去散散步吧。”