Interatrial
心房间的
🗣️ 情景例句
Yes, this is my youngest son Robbie.
是的 这是我的小儿子Robbie。
The bus is bigger than other cars, but too crowded.
巴士虽然比小汽车大，但是太拥挤了。
Sorry. I wasn't thinking.
抱歉，我没有想到这点。