fur up

中上級 (B2) informal

When the inside of a kettle or pipe gets a white crusty coating from the minerals in water.

"Our kettle furs up so quickly — we have to descale it every few weeks."

関連フレーズ

fur out

"up" を含むフレーズ

act up add up age up air up alpha up ammo up amp up answer up
すべてのフレーズを見る →