鼎盛的英文：
at the height of power and splendour

参考例句：

Mountains and water painting, too, reached a peak in the Song Dynasty.
到了宋代，山水画达到鼎盛

Each civilization is born, it culminates, and it decay
各种文明都要历经诞生，鼎盛和衰落。

Lax court morals and the absurd chivalry business were in full feather.
淫靡的宫庭风气和荒诞的骑士风尚都已达到鼎盛的时期。

height是什么意思：
n. 身高；高；高度；海拔；高处，高地；顶点

a dizzy height, speed
使人眩晕的高度、 速度.

The airplane climbed to a dizzy height.
飞机爬到令人头晕目眩的高度。

We scaled the heights.
我爬上了山顶。

power是什么意思：
n. 力量；动力；能力；权力；大国；机能；体力
v. 给…提供动力

smoothing power
修匀功效

These drugs are powerful.
这些药物很有效。

Applications of Power Electronics Technique in Power System
电力电子技术在电力系统中的应用

splendour是什么意思：
n. 壮丽辉煌，光彩夺目

They see nothing but gorgeousness and splendour.
他们所看到的只是豪华和奢侈的场面。

They dressed out in their splendour.
她们打扮得华丽耀眼。

Barbaric splendour,cruelty, taste
野蛮人的奇观、残忍、趣味.