Rett
[醫][=radionuclide esophageal transit time]放射性核素食管通過時間
??? 情景例句
No, no. I'm from Florida.
不， 我從佛羅里達來的。
Alice did not look at the students.
愛麗斯沒有看到學生。
'Whatever are you doing up here Bill?' asked the vicar in surprise.
“你究竟在這上面干什么，比爾？”牧師驚訝地問。