| 释义 |
first class adverb /ˌfɜːst ˈklɑːs/ /ˌfɜːrst ˈklæs/ - using the best and most expensive seats or accommodation in a train, plane or ship乘坐头等座位（或车厢、舱）
- to travel first class乘头等舱旅行
Topics Transport by bus and trainb1, Transport by airb1 - (in the UK) by the quickest form of mail按第一类邮件
- I sent the package first class on Monday.我于星期一以第一类邮件寄出包裹。
- (in the US) by the class of mail that is used for letters按第一类邮件（用于投递信件和明信片）
first class noun /ˌfɜːst ˈklɑːs/ /ˌfɜːrst ˈklæs/ [uncountable]- the best and most expensive seats or accommodation on a train, plane or ship头等座位（或车厢、舱）
- There is more room in first class.头等舱更宽敞。
Topics Transport by bus and trainb1, Transport by airb1 - (in the UK) the class of mail that is delivered most quickly第一类邮件（投递最快的邮件）
- First class costs more.第一类邮件邮资较高。
- (in the US) the class of mail that is used for letters第一类邮件（用于投递信件和明信片）
- the highest standard of degree given by a British university一级优等学位（英国大学学位等级）Topics Educationc2
first-class adjective /ˌfɜːst ˈklɑːs/ /ˌfɜːrst ˈklæs/ - [usually before noun] in the best group; of the highest standard第一流的；一级的；一等的；最优的 synonym excellent
- a first-class novel最佳小说
- a first-class writer一流作家
- The car was in first-class condition.当时车子处于最佳状态。
- I know a place where the food is first-class.我知道一个品尝一流美食的地方。
- [only before noun] connected with the best and most expensive way of travelling on a train, plane or ship（座位、车厢、舱位）头等的
- first-class rail travel乘头等车厢旅行
- a first-class cabin/seat/ticket头等舱／座位／票
Topics Transport by airb1 - [only before noun] (in the UK) connected with letters, packages, etc. that are delivered most quickly, or that cost more to send第一类的（邮件等级，投递最快）
- first-class mail/post/postage/stamps第一类邮件／邮资／邮票
- [only before noun] used to describe a university degree of the highest class from a British university一级优等的（英国大学学位）
- She was awarded a first-class degree in English.她获得一级优等英语学位。
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