磁铁 (cí tiě): Magnet (Noun) — Meaning & Stroke Order

This is a magnet.

Those cute stickers on the refrigerator door are actually small magnets.

Ordinary magnets simply cannot attract metals like aluminum or copper.

I used a magnet to pick up the paperclip that fell on the floor.

Due to the principle of like poles repelling in magnets, these two components can never fit together.