soot

煤灰、煙灰、油煙

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

煙囪內壁積了厚厚一層煤灰。

使沾滿煤灰、燻黑罕用

The candles had sooted the ceiling above the altar.

那些蠟燭把祭壇上方的天花板燻黑了。