Pulmoaortic canal
[医] 动脉导管
🧩 词语组成解析
🗣️ 情景例句
I'm pleased to meet you, Mr. Peter.
皮特先生，很荣幸认识你。
I took out my pen.
我拿出了我的笔。
Most business letters around the world are written in English.
世界上大多数商务信函都是用英语写的。