英语词汇direct primaries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3607232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	direct primaries
释义	direct primaries
随便看	boundary conductivity boundary constituent boundary constraint boundary constraint influence boundary continuum boundary contraction method boundary contrast boundary control boundary controllability boundary controller boundary control problem boundary cooperation area boundary correction boundary correspondence boundary cost boundary costa boundary creep fracture Boundary current boundary current blinding out boundary current system boundary curve boundary cutoff Boundary cycle boundary defect boundary demarcation