生锈 (shēng xiù): Get rusty (Verb) — Meaning & Stroke Order

Exposed to a humid environment for a long time, these iron railings are bound to rust.

Although this lock looks old, its internal mechanism is completely free of rust.

To prevent the tools from rusting, he specifically applied a layer of anti-rust oil on the surface.

If you don't pay attention to maintenance, machine parts can easily rust.

Hey, the hinges of this door have rusted, making a squeaking sound when opening and closing.