n.污垢；泥土；灰尘
He scoured off the dirt from the floor. 他擦去地板上的污垢。
Wash the dirt off your hands. 把你手上的泥污洗掉。
The road petered out into a dirt track. 大道延伸到一条泥土小径。
The windows were encrusted with dirt. 窗户上覆盖了一层灰尘。
That piece of dirt is out of your eye now. 那粒灰尘已从你眼中取出来了。
n.污秽；肮脏
adj.有淫秽思想的
