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filtration

美音:[fılt´reıʃən ]点这儿播放单词美音发声
英音:[fılt´reıʃən ]点这儿播放单词英音发声
n.过滤,筛选

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filtration为短语/超纲词汇

filtration


/fɪl'treɪʃn; fɪl`treʃən/
n [U] process of filtering liquid, etc 过滤.

filtration


n[U]
the process of cleaning a liquid by passing it through a filter