The rain will rust the iron roof.

雨水会使铁皮屋顶。

My bike has rusted and needs oil.

我的自行车了, 需要上油。

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

镀锌层防止钢铁的。

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

综合封存技术以保证被封存件2～5年不。

Iron is apt to rust.

铁易。

The knife got rusty.

把刀了。