名词
中文翻译：鼎盛时期
同义词：
['golden age', 'prime', 'zenith']
例句：
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1.The company's heyday was in the 1980s.
该公司的鼎盛时期是在20世纪80年代。
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2. His heyday as a musician is long gone.
他作为音乐家的黄金时代已经过去了。
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3. The heyday of the industry has passed, and now it's time for new innovations.
该行业的鼎盛时期已经过去，现在是时候引入新的创新了。