Soot
01
煤烟, 烟灰
a black powdery substance produced by burning materials like wood or coal
例子
The chimney sweep removed layers of soot to improve the fireplace's efficiency and reduce the risk of a chimney fire.
烟囱清扫工清除了煤烟层，以提高壁炉的效率并降低烟囱火灾的风险。
to soot
01
to cover a surface with a blackened residue
例子
Smoke from the fire soothed the ceiling above the hearth.
