经久的英文：
durability
durableness
wear well

参考例句：

The resulting surface is hard and durable and can be brilliantly colourful.
珐琅工艺品既富有色彩，又经久不变。

The exquisite clay statue in fast coloring is of remarkable workmanship and true to life.
这件塑像，色彩经久不褪，刀痕笔触柔和交融，人物形象栩栩逼真。

Children's tangram is low-priced and durable, and can develop children's intelligence very effectively.
儿童玩具七巧板，价格便宜，经久耐玩，开发儿童智力，有真正奇效。

durability是什么意思：
n. 耐久性；耐用性

Things unreasonable are never durable.
不合理的事不会持久。

Wire it will become durable .
里边加上电线会让它更耐用。

Nothing can rival cotton for durability.
没有东西能比得上棉花的耐久力。

durableness是什么意思：
n. 经久;耐久性

Things unreasonable are never durable.
不合理的事不会持久。

Wire it will become durable .
里边加上电线会让它更耐用。

Nothing can rival cotton for durability.
没有东西能比得上棉花的耐久力。

wear是什么意思：
v. 穿；戴；留着；呈现；打扮；升（旗）；使疲乏；折磨；消磨；使烦躁；耐用
n. 耐用性；使用率；使用形式；磨损；损坏；（特定时候或场合穿的）服装

It is the only wear.
这就是现在最流行的东西。

Men wear socks but women wear stockings.
男人穿短袜，妇女穿长袜。

She was wearing an innocent smile.
她带着天真的笑容。