Rida
[醫][=radioisotope dilution assay]放射性同位素稀釋測定
??? 情景例句
And your legs don't hurt?
你的腿不酸不痛？
To blow up the mountain
吹走那座山
giant hovercraft liners could span the Atlantic;
大型的氣墊班輪或許能跨越大西洋。