soot

煤灰、烟灰、油烟

A thick layer of soot covered the inside of the chimney.

烟囱内壁积了厚厚一层煤灰。

使沾满煤灰、熏黑罕用

The candles had sooted the ceiling above the altar.

那些蜡烛把祭坛上方的天花板熏黑了。