[科学美国人60秒] SSS 2015-12-01
时间：2019-01-20 作者：英语课 分类：2015年Scientific American(十二)月
英语课
What’s the lively in your kitchen? In terms of bacteria is it the the dish or maybe your coffee maker 1.
Because even known caffeine has anti-bacteria effects, it turns out that machine can hold back majority of bacteria, including some pathogenic species, more commonly associated with the the toilet.
Researchers sampled ten brand machines, which catch those last drop of brown gold after a He found that nine of the ten machines hold back the residues 2 bacteria, a typical of human contamination. And another common resident is S. , which has both pathogenic strains. S. appears to threaten the presence of the caffeine and even breaks it down, which suggests that might be put to work, de-caffeine coffee, a cleaning caffeine residues for our water ways.
The finding appears on the journal, Scientific Reports.
As don’t worry too much. The researches did not find any bacteria in the coffee pots themselves, so they say our finger tips might be blamed, for spearing the And they add that it’s absolutely not the case that machine was dangerous for human health. Just wash the more often, with open water. Just does as any other food contaminated its surface, so that the only thing breeds on your machine is your coffee.
n.制造者，制造商
- He is a trouble maker，You must be distant with him.他是个捣蛋鬼，你不要跟他在一起。
- A cabinet maker must be a master craftsman.家具木工必须是技艺高超的手艺人。