Rett
[医][=radionuclide esophageal transit time]放射性核素食管通过时间
🗣️ 情景例句
I haven't had a minute to relax all day.
我今天连一分钟都没休息。
Have you seen Mr. Smith recently?
最近你见过史密斯先生吗？
Did you buy one, sir?
你买了票吗，先生？