VOA常速英语:Study: Reducing Soot is Fastest Way to Slow Climate Change

词汇讲解：

1. emission n. 排放,散发,发出(气体、光、热)
例句：Most scientists accept that climate change is linked to carbon emissions.
大多数科学家都相信气候变化与排放的含碳气体有关。

2. economical adj. 经济的,节约的
例句：This car is economical to run because it doesn't use much fuel.
开这辆车省钱,因为它耗油不多。

3. measure vt. 量出; 记录
例句：This is a yardstick for measuring whether a person is really progressive.
这是衡量一个人是否真正进步的标准。

4. suspend vt. 悬, 挂, 吊
例句：A lamp was suspended from the ceiling.
天花板上吊着一盏灯。

5. ignore vt. 不顾,不理会;忽视
例句：Even the best of men ignored that simple rule.
甚至最优秀的人也忽略了那条简单的规则。

6. underestimate vt. 对…估计不足, 低估
例句：I underestimate the distance, and am exhausted.
没想到这么远, 我可累坏了。

7. absence n. 缺乏, 不存在
例句：A major problem is the absence of water.
主要的问题是缺水。

8. reflect v. 反射(光、热、声或影像)
例句：The white sand reflected the sun's heat.
白色的沙子能反射太阳的热量。

9. diesel n. 柴油
例句：My tractor operates on diesel oil.
我的那台拖拉机用柴油开动。

10. power vt. 给...提供动力
例句：The tractor is powered by a diesel engine.
这台牵引机是用柴油机发动的。