英语词汇4d whitening system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	4d whitening system
释义	whitening n — 白化 n whiten v — 美白 v whiten — 漂白 system n — 制 n • 体 n • 制度 n • 体制 n • 制式 n • 装置 n • 条贯 n
随便看	I beg to move I beg to move i begun to study I begun to study i begun with I beg you I beg you i beg your forgiveness I beg your forgiveness I beg your indulgence I beg your indulgence I beg you therefore I beg you therefore i be happy I behaved well I behaved well I be here i be here as well i be high i be humble i be hungried i be hungry I be hungry i be in charge I being afraid

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。

whitening n —