英语词汇Ratholite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

英汉双解词典包含3185865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。

单词	Ratholite
释义	Ratholite 简明释义 n.针钠钙石
随便看	exemption from liability exemption from liability by abandonment exemption from postal charges exemption from property tax exemption from prosecution exemption from punishment exemption from rates exemption from stamp duty exemption from taxation exemption from withholding exemption law exemption limit exemption mechanism exemption method exemption of debt exemption of divorced parents exemption of duty exemption of enterprises established exemption of income exemption of tax exemption of taxes exemption of undistributed corporate profits exemption on block flux unit flux unit