its a big day信息详情
今天很重要
its a big───这是个大问题
a big big day───大日子
its big───它很大
a big day───重要的日子
big day───大日子，重要日子；盛大活动日；n.重要日子; 大喜的日子
one day a big───有一天
its so big───太大了
its too big───太大了
its a───abbr.（英国）独立电视管理局（IndependentTelevisionAuthority）；（英国）工业运输协会（IndustrialTransportAssociation）；（美国）工业与贸易管理局（IndustryandTradeAdministration）；国际纺织品协定（InternationalTextileAgreement）；入门教学字母（InitialTeachingAlphabet）；n.(Ita)人名；(阿拉伯)伊塔
Nigeria is a big oil exporter, but its people get only a few hours of electricity a day.───尼日利亚是一个很大的石油输出国，但该国人民却每天只享用着每天数小时的用电生活。
is a big day for Burkina Faso and its people, who have lived so long in fear of what the hot, dusty Harmattan winds will bring each year.───对布基纳法索及其人民来说是重要的一天。长期以来，布基纳法索人民每年都在恐惧：炎热多沙的哈马丹风会带来些什么？
The same day a group of big investment Banks fired its latest broadside in the war over trading fees by announcing plans to sidestep the exchanges with their own platform spanning Europe.───在同一天，一组大型投资银行也把矛头指向交易费用，他们宣布的计划决定架空交易所设立自己的跨欧洲的交易平台。