heyday

n [sing] time of greatest success, prosperity, power, etc 最成功、 最繁荣、 最强盛等的时期: She was a great singer in her heyday. 她在自己的黄金时代是个了不起的歌唱家. * Steam railways had their heyday in the 19th century. 19世纪是蒸汽机车的全盛时期.


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