Rida
[医][=radioisotope dilution assay]放射性同位素稀释测定
🗣️ 情景例句
He really likes to play the field.
他不喜欢做出承诺。
Years bring wisdom.
年长智也增。
We enjoy staring at them, entranced as they go about their business, unaware (we hope) of our presence.
我们喜欢入迷地看它们做事，它们不知道（但愿如此）我们就在它们身边。