n.(名词)

1. 纪元
2. 时代；时期；历史时期
3. 年代；阶段
4. 【地】代
5. 《纪元报》
6. 时候
7. 标志新的重要历史阶段开端的事件

abbr.(缩略词)

1. =earned run average 【垒】投手责任得分率
2. =Equal Rights Amendment （男女）平等权利修正案（美国宪法）
3. =Engineering Research Association 工程研究学会
4. =Emergency Relief Administration 紧急救济署
5. =engine-room artifier 【海】机舱机电军士

n.(名词)

1. [C]纪元 a set of years which is counted from a particular point in time
2. [C]历史时期,时代 period in history marked by an important event or development

Noun:

1. a period marked by distinctive character or reckoned from a fixed point or event

2. a major division of geological time; an era is usually divided into two or more periods

3. (baseball) a measure of a pitcher's effectiveness; calculated as the average number of earned runs allowed by the pitcher for every nine innings pitched

1.时代；年代；时期
You can refer to a period of history or a long period of time as anera when you want to draw attention to a particular feature or quality that it has.

e.g. ...the nuclearera...
核时代
e.g. ...the Reagan-Bushera...
里根-布什时期

1. 代：之后的下一个时期寒武纪,则是显生宙里的第一代(era)第一纪(period). 埃迪卡拉纪(Ediacaran):国际地质科学联盟(IUGS)在2004年宣布了埃迪卡拉纪的官方定义. 此纪开始于6亿2000万年前,结束于5亿4200万年前,也就是寒武纪开端.

2. 纪元：在科学研究领域纪元(era)这样的词极少使用,专家们更是慎之又慎. 但是这一次他们好不吝啬地把它放在了中国的这一发现上. Byetta深受患者青睐,使得制造商Amylin制药公司和礼来公司的产品开始供不应求,但是这一产品的不足在于是注射剂.

3.era：environmental risk assessment; 环境风险评价

4.era：estrogen receptor alpha; 雌激素受体α

5. era

5.era：the european research area; 欧洲研究领域

6.era：explosive reactive armors; 反应装甲

7.era.：earned run average; 投手平均失分

1. The Christian era is counted from the birth of Christ.
   公元纪元是从耶稣的诞生算起。
2. We are living in the information era.
   我们生活在信息时代。

• Stone tools..used well into the era of bronze.

  出自：M. Hunter

• The cataclysm of revolution..opened a new era of art and thought called Romanticism.

  出自：J. Barzun

Concorde inaugurated new era in aeroplane travel.

协和式飞机开创了空中旅行的新纪元。

His death marked the end of an era.

他的死标志著一个时代的结束。

We are living in the computer era.

我们正生活在计算机时代。

It's an era of the miniskirt in the seventies.

七十年代是超短裙时代。

It was a confusing, yet lively era.

它是混乱的，也是活跃的年代。

the Victorian'/modern'/post-war era

维多利亚 / 当今 / 战后时代

When she left the firm, it was the end of an era (= things were different after that) .

她离开公司后，一个时代结束了（后来的情况就大不一样了）。

...the nuclear era...

核时代

...the Reagan-Bush era...

里根-布什时期

We are living in the information era.

我们生活在信息时代.

It emerged as the most intractable issue of our era.

它成了我们时代最难解决的问题.

It marks the beginning of a new era in human history.

这标志着人类历史新纪元的开始.

Concord inaugurated a new era in airplane travel.

协和飞机开创了空中旅行的新纪元.

The October Revolution ushered in a new era in the history of mankind.

十月革命开创了人类历史的新纪元.

We are living in a great historic era.

我们正处在一个伟大的历史时代.

The room had the elegance of a bygone era.

这个房间有着旧时代的优雅.

Improved graphics took computer games into a new era.

经改进的制图技术将电脑游戏带进了一个新时代.

The era when foreign goods flooded the Chinese market is gone for ever.

洋货充斥中国市场的时代已经一去不复返了.

These talks could herald a new era of peace.

这些谈判可能预示着新的和平时代的来临。

Germany's asylum law is a relic of an era in European history which has passed.

德国的收容法是欧洲历史上一个已逝去时期的遗留产物。

A new era seemed to be about to dawn for the coach and his young team.

对于那名教练和他的年轻球队来说，一个崭新的时代似乎即将到来。

As the era wore on, she switched her attention to films.

随着这个时代慢慢过去，她把目光投向了电影业。

In Wales in the same era, boys were caned for speaking Welsh in the playground.

在同一时期的威尔士，男孩们在操场上讲威尔士语是要吃鞭子的。

The Synod's declarations prevailed de jure but not de facto in the Roman Catholic Church down to the Reformation era.

直到宗教改革时期，教会会议的声明在天主教会中都仍然只是法律上认可，而非事实上通行。

The end of an era presupposes the start of another.

一个时代的结束意味着另一个时代的开始。

It seems that the '60s era of social activism is all but a dim memory.

20世纪60年代的社会激进主义似乎只是一个模糊的记忆。

This is music from a different era. I've taken those sounds from childhood and mixed them up with other things.

这是来自另一个时代的音乐，我把儿时听到的那些声音和其他声音混录一起。

The Porsche 911 reminds me of the worst parts of the yuppie era.

这辆保时捷911让我想起了雅皮士时代最不堪的那些日子。

The war in 1939 perforce ushered in an era of more grime and drabness.

1939年的战争必然导致一个更加肮脏、更加灰暗的时代的到来。

In the mass production era multinational firms tended to centralize their operations.

在大规模生产的时代，跨国公司往往实行集权化经营。

This is a film which seems to hail from the hippie era.

这看起来是一部嬉皮士时代的影片。

How people in a certain era bury their dead says much about the prevailing attitudes toward death.

某个特定时代的人们如何埋葬逝者很大程度上反映出当时人们对待死亡的普遍态度。

During the Soviet era and its immediate aftermath, the region was officially known as 'Middle Asia and Kazakhstan'.

在苏联时代和紧随其后的一段时期，该地区的官方名称为“中亚和哈萨克斯坦”。

We are on the threshold of a new era in astronomy.

我们很快就将迎来天文学的新纪元。

• ☆ 1615年进入英语，直接源自晚期拉丁语的ra，意为纪元。