干部年轻化的英文：
rejuvenation of cadres

参考例句：

This chiefly means that our leading cadres must be young.
这里说的活力，主要是指领导层干部的年轻化。

rejuvenation是什么意思：
n. 返老还童；恢复活力

All this signs rejuvenation of agriculture.
所有这些都预示着农业将复苏。

The mountain air will rejuvenate you.
山上的空气将使你变得年轻。

The rejuvenation (revitalization) of the Chinese nation
振兴中华

Rejuvenate the market (city) By applying scientific and technological advances
科技兴市

China's rejuvenation(revitalization) and the progress of mankind
中华民族的振兴与民族进步

cadres是什么意思：
n. 骨干，干部 ；骨骼

This veteran cadre is looked up to by everybody.
这位老干部受到众人的尊敬。

This chiefly means that our leading cadres must be young.
这里说的活力，主要是指领导层干部的年轻化。

Cadres should share the joys and sorrows of the masses.
干部应和群众同甘共苦。

The problem of the aging of our cadres is very serious.
我们干部老化的情况十分严重。

As a result of gain weight, cadre system bear is aggravating.
由于体重增加，骨骼系统负荷加重。