英语词汇gradation period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	gradation period
释义	gradation period 简明释义 [地质] 均夷期；均夷相网络释义 1 [地质]?均夷期 ... gradation period 均夷期 tonal gradation 音调等级 gradation composition 级配组成,配合成分...
随便看	repair assignment repairative regeneration repair a wrong repair base Repair,Base Excision repair bay repair before failure repair bench repair berthing and messing barge repair bill repair box repair bridge and tunnel fault repair by replacement Repair by welding repair capability repair capacity repair cement repair charge repair clerk desk repair complex coefficient repair compound repair cost repair costs repair coverage repair covered lighter

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。