Cardiotopometry
心浊音区测定法
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
My brother wants to learn how to play the piano.
我的兄弟要去学弹钢琴。
It was half past four. Everything was ready.
一切都准备好。