【整理】四级考试中经常出现的名词（五）

unit
n.装置;单位，单元;个体;[数]单位数
例句：
City planning treats the city as a unit, as an organic whole.
城市规划将城市视为一个单位，一个有机的整体。
The cooling unit hasn't come on yet.
冷却装置还未工作。

roller
n.滚筒;滚压机;定型卷夹，塑料发卷
例句：
Paint goes on more slowly with a brush than with a roller.
用刷子涂漆比用滚筒涂漆慢一些。
In the case of roller bearings, the rolling friction is substituted for sliding friction.
就滚柱轴承而论，滚动摩擦代替了滑动摩擦。

cigarette
n.纸烟，香烟
例句：
He went out to buy a packet of cigarettes.
他出去买包烟。
He rolled and lit another cigarette.
他又卷了一支烟并点着了。
Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.
抽烟时吸入的尼古丁和一氧化碳都已经被标定为致病因素。

dwelling
n.居住;住处，处所;寓所
例句：
The young couple made their home in a mean dwelling.
这对年轻夫妇在一个简陋的住处安了家。
He occupies a three-story dwelling place on the Park Street.
他在派克街上有一幢3层楼的寓所。

bacon
n.培根;腊肉;熏猪肉;咸猪肉
例句：
She tucked into a breakfast of bacon and eggs
她大口地吃着咸肉和鸡蛋作成的早餐。
Cook the bacon until it begins to crisp.
把熏肉烹至酥脆。
He could smell the bacon grease.
他闻到一股腌肉的油脂味儿。