Rida
[医][=radioisotope dilution assay]放射性同位素稀释测定
🗣️ 情景例句
Who do you work for?
你是做什么工作的？
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
Only a few kilometres. I think it's about seven. OK. We're all here, now.
谩Ｎ颐嵌嫉狡肓恕?