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
Have the fittings here, too.
也在这里试穿。
I'm the strongest girl in my club.
我是我的俱乐部中最强壮的女孩。
I was not surprised to find that the machine still refused to work after I had reassembled it,
等我装完后，那台割草机仍然一动不动，对此我倒并不感到吃惊。