因此，这一趋势对商品经济有很大的危害性。
想必你现在也知道了，吸别人的二手烟也对自身健康有很大的危害。
And by now you've probably heard that breathing in someone else's secondhand smoke is also hazardous to your health.
阿里指给我们看沙漠中的动物足迹，并告诉我们怎样设陷阱捕狼，因为狼对他的家族有很大的危害。
Ali showed us animal tracks in the desert and talked about setting traps for wolves, which could be a danger to his family.
每个人都知道吸烟有害身体健康。想必你现在也知道了，吸别人的二手烟也对自身健康有很大的危害。
Everyone knows smoking is a bad idea. And by now you've probably heard that breathing in someone else's secondhand smoke is also hazardous to your health.
中央空调系统中形成的水垢对系统有很大的危害性，主要介绍了空调系统的水清洗方法及其所表现的经济效益。
As the scale in central air-conditioning systems does great harm to the systems, water cleaning is proposed to clean the scale with discussions made on the economic benefits of such a method.
我听说你在美国学会了吸烟，这使我对你很担心，不知道你为什么会吸烟，因为吸烟对人的身体有很大的危害。
I've heard that you picked up smoking in America, which made me worried a lot. I wonder why you get down to smoking since it is badly harmful to bodies.
在森林里，有一只危害很大的独角兽，你必须先抓住它。
In the forest roams a unicorn which does great harm, and you must catch it first.
这次增长很大程度上加速了个人消费在前三季度以越来越多的速度扩大着，而这必然是有更大危害的。
Personal spending has grown at a faster pace in each of the last three quarters. Things could certainly be worse.
说到网上交朋友时，有些人认为它具有很大的优势，而另一些人则认为对人类是有危害的。
When it comes to make friends online, some people think it has great advantages, while others consider it is harm to human beings.
译文：专家提醒说，雾对人体健康的危害有很大的隐蔽性。
Experts caution that the harmful effect of fog on our health is often concealed.
然而，炎症的过程是有很大危害的，尤其是长期的炎症，会加剧疼痛。
However, the process of inflammation can be damaging, especially when it continues for a long time, and can contribute to pain.
本文实例是冶金行业的危害辨识，但对其它行业危害辨识问题同样有很大的借鉴意义。
The illustration is about the metallurgy industry in this paper, but it can be used for reference during the hazard identification in other industries.
已有生产实践和研究工作表明，用含钨镀层代替传统对环境有危害的铬镀层等方面取得了很大进展。
The productive practice and research results show that tungsten coat is prior to chromium coat in environmental factors.
已有生产实践和研究工作表明，用含钨镀层代替传统对环境有危害的铬镀层等方面取得了很大进展。
The productive practice and research results show that tungsten coat is prior to chromium coat in environmental factors.
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