英语词汇up to a concentration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	up to a concentration
释义	up to — 到 adv • 以至 • 以致 • 以至于 concentration n — 集中 n • 浓度 n • 含量 n • 浓度 n concentration — 浓缩 • 凝缩 up — 向上 • 攲 up n — 起伏 n up to prep — 及 prep
随便看	increase by ащгк increase can be increase can be observed increase can be reached increase cancer increase capabilities increase capability increase capacities increase capacity increase capital increase capital expenditure increase capital investment increase carbon sequestration increase cash increase certainty increase channel increase choice for consumers increase chronic disease increase circulation increase clarity increase clause increase client loyalty increase coherence increase collagen synthesis increase collateral

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。

up to —