heyday
['heidei]
n.全盛期
int.<古>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。
int.
【古】(喜悦或惊奇所发声音)嘿!
n.
全盛期
heyday
['heidei]
n.全盛期
int.<古>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。
int.
【古】(喜悦或惊奇所发声音)嘿!
n.
全盛期