英文: Soot sticks to anything it touches.
中文: 油烟接触到什么东西都粘住不掉.英文: Soot seems to be a big problem.
中文: 油烟还真是个大问题呀。英文: She is sweeping the soot off the chimney.
中文: 她正把烟筒里的黑灰扫掉。英文: You'vegot a smudge of soot on your cheek.
中文: 你脸上有块煤灰污迹.英文: The chimney is almost choked up with soot.
中文: 烟囱几乎被烟垢堵住了。