Interatrial
心房间的
🗣️ 情景例句
Yes. Those are excellent gifts. Who else do you need to buy for?
当然，这是都是最佳礼物。你还需要买给谁？
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
Is this a D or a P?
这个字母是“D”还是“P”？