英语词汇improved by leaps and bounds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	improved by leaps and bounds
释义	by and by — 回头
随便看	demographics of the population demographics such as age demographic strategy demographic structure Demographic Survey demographic targeting demographic terms demographic transformation demographic transition demographic trends demographic variables demographic variables gender demographic window demographic window of opportunity demography demography data demoiselle crane demo kit demold demolded demolding demolding time demold time demo license demolish

英汉双解词典包含2273206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。

by and by —