名词
中文翻译：时代
同义词：
['era', 'period', 'epoch']
例句：
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1. The ancient era of the Roman Empire is still remembered today.
罗马帝国古老的时代至今仍被人们所记忆。
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2. This era saw significant technological advancements in transportation.
这个时代见证了交通领域的重大技术进步。
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3. The 20th century was a time of great change and growth for humanity.
20世纪是人类历史上一个充满变革和增长的时代。