Rida
[医][=radioisotope dilution assay]放射性同位素稀释测定
🗣️ 情景例句
I ate something bad, and now I've got the runs.
我吃了些变质的东西，所以现在拉肚子。
I'm afraid it's a misunderstanding.
我想这是个误会。
But even the mosquito has been subdued by attention to drainage and by chemical sprays.
然而即使蚊子，也由于我们注意清理污水和喷洒化学药品而被制服了。