Rida
[医][=radioisotope dilution assay]放射性同位素稀释测定
🗣️ 情景例句
I guess we must.
我想咱们是该开始了。
Labour is the capital of our working men.
劳动力是劳动人民的资本。
'Dear me,' she said.
“天啊，”她说，