英语词汇concentration of activities怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	concentration of activities
释义	concentration n — 集中 n • 浓度 n • 含量 n • 浓度 n concentration — 浓缩 • 凝缩 activities pl — 活动 n of — 的 activity n — 活性 n • 作为 n • 作用 n • 事业 n • 行为 n • 生活 n • 活度 n • 举动 n • 积极性 n
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英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

concentration n —