这金属最大的一个优点就是不生锈。

One great advantage of this metal is that it doesn't rust.

《牛津词典》

我们保证5年不生锈。

We provide a 5-year guarantee against rust.

《牛津词典》

主要的事情是使我们的机器不生锈。

The main thing is to keep our machine from rust.

youdao

这表明钉子在没有空气的水中不生锈。

It shows that nail does not rust in water that has no air in it.

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我们提供十年不生锈的保证。

We offer a 10-year guarantee against rusting.

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我们让它们通过泥浆和盐碱滩以保证不生锈。

We put them through mud and salt to make sure they won't rust.

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真金不生锈。

Gold is pure of rust.

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宝剑不磨要生锈；人不学习要落后。

Not to grind a sword will rust; People don't learn to lag behind.

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宝剑不磨要生锈；人不学习要落后。

Do not wear a sword to rust; people do not learn to lag behind.

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刀不磨要生锈，水不流要发臭。

Do not grind knives to rust, water does not flow to stink.

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刀不磨要生锈，水不流要发臭。

Do not grind knives to rust, water does not flow to stink.

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