Rett
[医][=radionuclide esophageal transit time]放射性核素食管通过时间
🗣️ 情景例句
There's nothing you can do about it.
你对此无能为力。
Wisdom is better than gold or silver.
智慧胜过金银。
In the beginning they used to carve Chinese characters on stones to record important dates in history.
开始时，他们常把汉字刻在石头上，记载历史上重要的日期。