英语词汇optical brightener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	optical brightener
释义	optical brightener noun a fluorescent substance added to detergents in order to produce a whitening effect on laundry 荧光增白剂。
随便看	ideological ideologically ideologist ideologue ideology ides idigbo idio- idiocy idiographic idiolect idiom idiomatic idiomatically idiopathic idiopathy idiophone idiosyncrasy idiosyncratic idiosyncratically idiot idiot board idiot box idiotic idiotically

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