第三人称复数：eras
名词纪元，年代; 历史时期，时代; 重大事件
名词
1. The Christian era is counted from the birth of Christ.
公元是从基督的生年算起的。
2. Some say the computer has ushered in a new era.
有人说计算机引入了一个新时代。
3. The Christian era starts with the birth of Christ.
基督教时代从耶稣诞生起算。
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：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. era的近义词
1. 时代；年代；时期
You can refer to a period of history or a long period of time as an era when you want to draw attention to a particular feature or quality that it has.
e.g. ...the nuclear era...
核时代
e.g. ...the Reagan-Bush era...
里根-布什时期
1. era
1. The death toll from Wednesday's storms seems out of a bygone era, before Doppler radar and pinpoint satellite forecasts were around to warn communities of severe weather.
2. Swing bands, performers and DJs then bring the night alive with sounds from a bygone era.
3. Here, you can still find steam locomotives and experience the romantic charm of a bygone era!
4. Diocletian's reign marked the transition from the Roman to the Byzantine era in Egypt, when a great number of Egyptian Christians were persecuted.
5. He pointed himself out as the man in line furthest from the cam era.
6. He went on to usher in the next era of Canto pop.
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7. Such transition is not unusual for the Australian actor hailed for her work ethic, intellect and cool charm emblematic of leading figures of a Hollywood era long gone.
8. " Today will be forever remembered as China's Navy has entered an era of aircraft carrier, " Zhang told Xinhua on the carrier's flight deck.
9. But they did argue that it belongs in the same major evolutionary grouping, and that it showed what an actual ancestor of that era might have looked like.
10. Totem worship reflects religious psychology of the primitive era, for the purpose of seeking fortunes and getting rid of catastrophe.
noun
1. a major division of geological time
an era is usually divided into two or more periods
Synonym: geological era
2. a period marked by distinctive character or reckoned from a fixed point or event
Synonym: epoch