heyday

['heidei]

n.全盛期
int.嘿（喜悦、惊奇时所发声音）

例句与用法：

"In his heyday, he was a great tennis player."

＂他年轻力壮时，是一位了不起的网球运动员。＂

Steam railways had their heyday in the 19th century.

19世纪是蒸汽机车的全盛时期。

详细释义：

int.

【古】(喜悦或惊奇所发声音)嘿!

n.

全盛期