Concentration fluctuation
[建] 浓度升落
🧩 词语组成解析
fluctuation
[,flʌktʃʊ'eʃən]
n. 波动，涨落，起伏，[物]脉动;动摇不定，踌躇;[生]彷徨变异;
fluctu 波浪 + ation 表示行为、情况、状态、过程、结果 → n.波动, 起伏
🗣️ 情景例句
I can't face him after what I've done.
从那以后我无颜面对他。
It is not the gay coat that makes the gentleman.
君子在德不在衣。
Your prices seem a little high.
你们的价钱高了一些。