Rett
[医][=radionuclide esophageal transit time]放射性核素食管通过时间
🗣️ 情景例句
No? You didn't take it?
没有？ 你没有接受？
Marry in lent,and you'll live to repent.
借债结婚，一生悔恨。
Walking up and down the stairs would beat any exercise machine.
上下楼梯可比什么健身器都要好。