职业技术英语口语 第85期:环境问题 空气污染
时间：2019-01-14 作者：英语课 分类：职业技术英语口语
英语课
Air pollution
空气污染
A: I've heard of ground-level ozone 1 but can you explain what it is exactly?
A:我听说近地面臭氧，但是你能确切解释一下是什么吗？
B:Yes, it's one of the main air pollutants 2. Factories don't emit it directly into the air.
B:是，它一个主要的空气污染物。工厂不把它直接排到大气中。
It's actually formed when nitrogen oxides and VOC emissions 3 come into contact with heat and sunlight.
它实际会形成一氧化氮，而且它在与光和热的接触下会释放出VOC。
A: Sorry? What does VOC stand for?
A:对不起？VOC代表什么？
B: Oh, VOCs are 'volatile 4 organic compounds'. That's a technical term for solvents 5 or other chemicals found in things like paint.
B:哦,VOCs是挥发性有机混合物。这是溶剂方面的一个专业术语，其它的化工品像油漆等也有这种物质。
A: So, what damage does ozone do to the environment?
A:那么,臭氧对环境有什么破坏？
B: Well, it can cause smog, which can affect people's health - especially people with breathing difficulties.
B:哦，臭氧会引起浓雾,影响人们健康，特别是会让人感到呼吸困难。
n.臭氧，新鲜空气
- The ozone layer is a protective layer around the planet Earth.臭氧层是地球的保护层。
- The capacity of ozone can adjust according of requirement.臭氧的产量可根据需要或调节。
污染物质（尤指工业废物）( pollutant的名词复数 )
- Pollutants are constantly being released into the atmosphere. 污染物质正在不断地被排放到大气中去。
- The 1987 Amendments limit 301(g) discharges to a few well-studied nonconventional pollutants. 1987年的修正案把第301条（g）的普通排放限制施加在一些认真研究过的几种非常规污染物上。 来自英汉非文学 - 环境法 - 环境法
排放物( emission的名词复数 )； 散发物（尤指气体）
- 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。
- Dangerous emissions radiate from plutonium. 危险的辐射物从钚放散出来。
adj.反复无常的，挥发性的，稍纵即逝的，脾气火爆的；n.挥发性物质
- With the markets being so volatile,investments are at great risk.由于市场那么变化不定，投资冒着很大的风险。
- His character was weak and volatile.他这个人意志薄弱，喜怒无常。