1、近代:modern。
例句:china has become a modern country for the past thirty years.
翻译:过去三十年中,中国已经变成了一个现代化的国家。
2、当代:contemporary。
例句:einstein was a contemporary outstanding talents.
翻译:爱因斯坦是一位当代杰出人才。
3、现代:modern。
例句:many people pretend that they understand modern art.
翻译:很多人都自称懂得现代艺术。