shed v. 散发;流出
wind up 卷起;扬起
It goes without saying that your home will never be dust-free, but there are ways to reduce your own dust loading and its important that you try. Dust mites, which feed on shed skin, produce allergens that are known triggers for people suffering from asthma. Same goes for cockroach dust, especially in cities. No one needs much convincing about the wisdom of getting rid of arsenic, and the good news is that about 80% of it can be removed simply by cleaning floor dust regularly.
it goes without saying 不言而喻;不消说
allergen 过敏原;反应原
None of this means that dust poses a clear and present danger or that you need to take any extraordinary measures. Just clean regularly, dont smoke, eat at the table and try not to freak out. Dust bunnies are still only bunnies; you may just want fewer of them.
freak out 吓坏了;崩溃
Question time:
1. How does dust come into our houses?
2. Whats the key factor of blood-lead levels in children according to Layton and Beamer papaer?
3. How to get rid of the dust in house?
参考答案
1. Generally, the majority of household dust about 60% comes from outside, through windows, doors, vents and on the soles ofour shoes.
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