concentration
/.kɒnsәn'treiʃәn/
四级六级考研牛津三千
释义
- n集中, 专心
- [化] 浓度; 浓缩
英文释义
n. the strength of a solution; number of molecules of a substance in a given volume
n. the spatial property of being crowded together
n. strengthening the concentration (as of a solute in a mixture) by removing diluting material
n. increase in density
词频与标注
词性分布
- n 名词100%
来自 BNC 语料库统计，百分比是该词以这种词性出现的比例
词形变化
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