Rett
[医][=radionuclide esophageal transit time]放射性核素食管通过时间
🗣️ 情景例句
No, thank you. Please tell him to phone me when he comes back.
不了，谢谢。他回来时，请告诉他给我打个电话。
My brother wants to learn how to speak Chinese.
我的兄弟要去学中国话。
What is it? asked the man.
“什么事？”楼上人问。