连续 / 几天 / 没有 / 清理 / 锅底 / 的 / 油垢 / 就 / 会 / 慢慢 / 变黑

连续几天没有清理，锅底的油垢就会慢慢变黑。

If it is not cleaned for several days in a row, the grease on the bottom of the pot will gradually turn black.