发音一样，都含有/ɜː/音。
I started to scrub off the dirt.
我开始擦除灰尘。
His clothes were covered in dirt.
他的衣服沾满了污垢。
He brushed the dirt off his jacket.
他拂掉衣服上的灰尘。
Dirt from the motorway made him cough.
公路上的灰尘使他咳嗽起来。
The road petered out into a dirt track.
大道延伸到一条泥土小径。
The young girl is a dental nurse.
这个年轻女孩是一名牙科护士。
I hired a man to nurse my father.
我雇了一个男子来照顾我父亲。
He has been nursing for many years.
他已经做护士好多年了。
