Density fluctuation
[化] 密度涨落
🧩 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
That's not it.
不是这种事。
Apothecaries would not sugar their pills unless they were bitter.
好药不苦不会加糖衣。
Much to the aristocrat's amusement,
贵族感到非常好笑的是