英语词汇second category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	second category
释义	second category 【数学】第二范畴
随便看	air gas air gauge air gauging airglow airglows airgraph air grating air-ground air-ground communication air group air groups air guitar air guitars air gun airgun air gunner air hall air hammer air hammers air handling air harbour air hardening air-hardening air-hardening steel airhead

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。