The rain will rust the iron roof.

雨水会使铁皮屋顶生。

My bike has rusted and needs oil.

我的自行车生, 要油。

A zinc coating is applied to the steel for rust protection.

镀锌层是用来防止钢铁生的。

The technique of comprehensive cocooning can keep the cocooned from rusting for 2-5 years.

综合封存技术保证被封存件2～5年不生。

Iron is apt to rust.

铁易生。

The knife got rusty.

这把刀生。