Concentration ratio
[医] 浓度比率
🧩 词语组成解析
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
555-9470…and it's still busy.
555-9470……又忙 。
Life is not so short but there is time enougn for courtesy.
人生虽短，但表示礼貌的时间还是足够的。
Police are wary of itinerants who cannot be traced to a recognized camp boundary or to four walls.
警察则对那些查不出有固定营地或住处的游荡者保持警惕。