brushbar

noun

A rotating bar with brushlike bristles, used in certain cleaning appliances.

The vacuum cleaner's brushbar helps to remove dirt and debris from the carpet.

意味（1）

A rotating bar with brushlike bristles, used in certain cleaning appliances.

It's all pretty simple. If you want to get hairs out of a carpet, you need a whirling brushbar of death. No amount of suck will do it.