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 【地质学】均夷期
随便看	cut the throat of something cutthroat cut-throat competition cutthroat competition cutthroats cutthroat trout cut through cutties cut time cutting cutting board cutting boards cutting edge cutting-edge cutting edges cutting fluid cutting force cutting horse cutting horses cuttingly cuttingness cutting-off process cutting oil cutting oils cutting out dollies

英汉双解词典包含483723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。