| 词汇 | first class |
| 释义 | first class 2 ENTRIES FOUND: first class (noun) first-class (adjective) first class noun first class noun Learner's definition of FIRST CLASS [noncount] : the best or highest group or class头等；最高级: such as a : the best of usually three kinds of service you can have when you travel头等服务 flying in first class坐飞机的头等舱b b : a class of mail in the U.S. that includes letters and postcards第一类邮件（在美国用于邮寄信件和明信片） c : a class of mail in the U.K. that includes letters and packages which are delivered sooner than ordinary second-class mail but cost more to send第一类邮件（在英国指投递更快但邮资更高的邮件，通常邮寄信件和包裹） |
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英汉双解词典包含93607条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。