英语词汇up and doing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	up and doing
释义	up and doing 忙碌的；勤快的；精力充沛的；积极肯干的
随便看	pulse-frequency modulation pulse-frequency spectrum pulse generator pulse generators pulse group pulse height pulse height analyzer pulse height analyzers pulse height discriminator pulse-height selector pulse-height spectrum pulse integrator pulse interleaving pulse interval pulse-interval modulation pulse jet engine pulse jitter pulse labeling pulse length pulseless pulselessly pulselessness pulse-link repeater pulse-modulated radar pulse modulation

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。