英语词汇material sphere of validity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	material sphere of validity
释义	material sphere of validity 简明释义属事效力范围
随便看	nutrient requiring mutant nutrient reutilization nutrient-rich nutrients nutrient salt nutrient salts nutrients analyzer for seawater nutrients in sea water nutrient solution nutrient solution culture nutrient source nutrient specification nutrient sporulation medium nutrients requirement of dairy cattle nutrient status nutrient's translocation nutrients transport in plant nutrient stress nutrient substance nutrient supplement nutrient supply nutrient supplying capability nutrient theory nutrient therapy nutrient to caloric ratio

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。