英语词汇primary grades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	primary grades
释义	primary grades [复]〈美〉初小各年级，小学各低年级
随便看	pitchblendes pitch circle pitch circles pitch-circles' pitch coal pitch control pitch-dark pitch-darkness pitch-darkness pitched pitched pitched battle pitched battles pitched-battles pitched in pitched into pitched roof pitched roofs pitched up pitcher pitcher pitcher pitcherful pitcherfuls pitcherlike

英汉双解词典包含548777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。