Rida
[医][=radioisotope dilution assay]放射性同位素稀释测定
🗣️ 情景例句
Nice weather today, isn't it?
天气不错，是吧？
Did you hear something?
你听到了什么？
We stay at home on Sundays. We play games on Tuesdays and Thursdays.
周日我们呆在家里。周二、周四玩游戏。