Colorimetric purity
[电] 色纯度
🧩 词语组成解析
a. 比色的\\n[电] 色度法
🗣️ 情景例句
how could a guy not be hungry with all this talk about eating?
当大家都在谈吃的， 谁能不饿呢？
A rolling stone gathers no moss.
滚石不生苔，转业不聚财。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，