天蝎兔兔
"倒计时"一般用countdown，如“距离世界博览会倒计时100天的”可以表达为the 100-day countdown of World Expo。
countdown
英 [ˈkaʊntdaʊn] 美 [ˈkaʊntˌdaʊn]
n. 倒数读秒，倒计时;大事临近的时期;准备过程，准备工作
例句：
1、The countdown has begun for the launch later today of the American space shuttle
美国航天飞机的发射已于今天晚些时候开始进入倒计时。
2、There were three more things to do before countdown.
开始倒计时之前还有3件事要做。
3、The countdown to the Notting Hill Carnival is in its final hours.
诺丁山狂欢节已经进入了最后几个小时的倒计时。
4、The countdown to Christmas has started.
圣诞节倒计时开始了。
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5、I can slow down the countdown.
我可以让倒数慢下来。
"剩余"的英文有surplus; residue; remainder; overplus。
surplus
英 [ˈsɜ:pləs] 美 [ˈsɜ:rpləs]
adj. 过剩的;多余的
n. 盈余;顺差;剩余额;公积金。
例句：
1、Germany suffers from a surplus of teachers.
德国遭遇了教师过剩的问题。
2、Few people have large sums of surplus cash
几乎没人手头很富裕。
3、Japan's annual trade surplus is in the region of 100 billion dollars.
日本每年的贸易顺差额在1,000亿美元左右。
4、I sell my surplus birds to a local pet shop
我把多余的鸟卖给当地的宠物商店。
5、The houses are being sold because they are surplus to requirements.
这些因超出需求而闲置着的房子正在出售。
residue
英 [ˈrezɪdju:] 美 [ˈrezɪdu:]
n. 残余，残渣;余渣，残余物;[法]剩余财产;[林]废材
例句：
1、Always using the same shampoo means that a residue can build up on the hair.
总是用同一种洗发水就意味着某种残留物会在头发上越积越多。
2、A residue can build up on the hair shaft, leaving the hair limp and dull looking.
残留物会积聚在头发上，使头发看起来软塌塌的，而且毫无光泽。
3、This paper studied the fast determination method of SO2 residue in edible fungus and its affected factors.
对食用菌中SO2残留的快速测定方法及各种影响因素进行了研究。
4、The effectiveness of agricultural disposal and utilization of fermentation residue was studied in plot experiment.
通过田间小区实验，对生物发酵残渣农业处理和利用的效果进行了研究。
5、Suspension bed hydrocracking technology and water soluble catalyst were used for upgrading of atmospheric residue from Dagang oil field.
采用悬浮床加氢技术和水溶性分散催化剂对大港常压渣油进行了轻质化和改质研究。
Luck丶美人蕉
ten-minute countdown或a ten-minute countdown 倒计时 是 countdown十分钟倒计时的正确的词性和句型要看上下文。
麦麦舞雨
倒计时开始运用于发射火箭，使人们产生火箭发射前的紧迫感。此后“倒计时”被普遍采用，成为一个适用性极强，适用范围极广的词语，比如：新年倒计时等等。那么你知道倒计时用英语怎么说吗?下面我为大家带来倒计时的英语说法，欢迎大家一起学习。
count down
英 [kaunt daun] 美 [kaʊnt daʊn]
倒计时牌 Countdown board
倒计时钟 countdown counter
倒计时公告 bulletincd
零点倒计时 Countdown to zero
决赛倒计时 The finals countdown
等待着倒计时的终点。
Waiting for the terminal of the count down.
城市路口倒计时显示对驾驶行为的影响分析
Effects of Countdown Signal at Urban Intersection on Driving Behaviors
你就倒计时，然后放烟火
you can count down to the fireworks:
其实，从接到奥运报道任务起，他们马上就会学会了以365天为基础开始倒计时。
It 's just that when you work on the Olympics you quickly learn to count backwards in base 365.
有的放炮竹，有的倒计时分分秒秒的数算，有的祈祷期盼未来一年运气吉祥。
Some set off fireworks, some count down the seconds, others pray and hope for good luck in the coming new year.
承担了出版和出版联合国老龄方案的通讯“1999年倒计时”。
Assumed the publication and dissemination of the “ Countdown to 1999 ”, the United Nations Programme on Ageing newsletter.
何赛·穆里尼奥的整个赛前访谈可以在切尔西电视台收看到，今晚6:30，欢迎准时收看《比赛倒计时》节目。
Jos é Mourinho's full preview of the game can be seen on Chelsea TV's Big Match Countdown at6.30pm tonight.
人们流行的庆祝方式是在12月31日去酒吧，夜总会或派对，在放烟花和唱友谊地久天长歌之前，倒计时秒至午夜十二时。
It is popular for people to go out to pubs, clubs or parties on the 31st of December and count down the seconds until Midnight, before setting off fireworks and singing Auld Lang Syne.
晚上稍晚一点，男人们要面对一项挑战把一扇45公斤重的牛肉举在空中20秒，这时他们的同事和朋友会倒计时、欢呼并纷纷用黑莓(blackberry)拍照。
Later on in the evening, the men are challenged to hold up a 45kg side of beef in the air for 20 seconds as their colleagues and friends count down, cheer and take pictures with their BlackBerrys.
两天，一天，一小时，一分钟，一秒*让我们一起默默在心中倒计时，一起双手合十虔诚地为奥运祈福，共同期盼2008年8月8日晚八点的伟大时刻!
Two days, one day, one hour, one minute, one second* let us silently count down at heart, close our hands to pray for the Olympics, wishing for the great moment at8 O'clock on August8th, 2008.
