more than is usual, expected, or than exists already synonym additional额外的;分外的;外加的;附加的 extra money/cash/funding 额外的钱/现金/资金 Breakfast is provided at no extra charge. 供应早餐,不另收费。 plans to offer increased broadband speeds at no extra cost 计划免费提供更高的宽带速度 Employees are expected to put in extra hours without pay. 员工被期望在没有工资的情况下加班。 The DVD comes with lots of extra features. 这张影碟有许多额外的功能。 extra help for single parents 单亲父母的额外帮助 a diet that can help you lose that extra weight 可以帮助你减掉多余体重的饮食 The conference is going to be a lot of extra work. 这次会议将有很多额外工作。 The government has promised an extra £1 billion for healthcare. 政府承诺为医疗保健再拨款 10 亿英镑。 Take extra care on the roads this evening. 今晚在路上要格外小心。
Extra Examplesan extra pint of milk 外加的一品脱牛奶 We've had to take on extra staff to cope with the demand. 为了满足需求,我们不得不增加人手。 It's a big house, but we need the extra space because we have a daughter now. 这是一所大房子,但我们需要额外的空间,因为我们现在有一个女儿。 We all need to make an extra effort to reduce waste. 我们都需要做出额外的努力来减少浪费。 The play is to run for an extra week! 这出戏要多演一周!
Word Originmid 17th cent. (as an adjective): probably a shortening of extraordinary, suggested by similar forms in French and German.