闲置的英文：
leave unused

参考例句：

Idle facility
闲置设备

A state of disuse or inactivity.
废弃闲置的状态

This is an inactive mine.
这是一处闲置的矿井。

The machines have lain idle [been unused] for weeks now.
这些机器已被闲置好几周了。

That old table has been knocking about upstairs for years
那张桌子已在楼上闲置多年。

That's Been knocking about the house for years.
那东西在房子里已经闲置几年了。

The factory machines lay idle during the workers' strike.
在工人罢工期间, 工厂的机器都闲置着. 。

Empiri-cally, the distinction between active and idle balances is elusive.
在实际生活中，活动余额和闲置余额的区别是难以捉摸的。

Vacant rooms on the campus were being used by holidaying families.
校园里的闲置宿舍住着一些度假的家庭。

These machines have lain idle since the factory closed.
这些机器自工厂关闭以来一直闲置着。

leave是什么意思：
v. 离开；出发；舍弃；脱离；辞去；遗忘；听任；留下；交托
n. 休假；许可；辞别

To leave;vacate.
离开；撤出

I leave that to you.
这都留给你啦。

Leaves die, fall, and shrivel.
叶子凋零、飘落枯萎了。

A carpet of leaves covered the ground.
一层厚厚的落叶覆盖在地上。

leave a car in neutral gear
让汽车排挡置于空挡位置

unused是什么意思：
a. 不用的,不使用的,从未用过的

The act of obtaining usable substances from unusable sources.
废物利用从无用的东西中获取有用物质的行为

The machines have lain idle [been unused] for weeks now.
这些机器已被闲置好几周了。

Scatter unused wood to keep the area as natural looking as possible.
包裹整理好所有营火后的废弃物。塑料和金属箔包装物不要放在火堆中燃烧。

American swift that nests in e.g. unused chimneys.
在废弃的烟囱中筑巢的美洲雨燕。

The point of degradation, due to attenuation or distortion, at which a signal becomes unusable.
由于衰减或失真使得信号变得不能使用的那个退化点。