字神帝國英語天地

今日主題：Espresso Machines Brew a Microbiome of Their Own
咖啡機釀造微生物

洪欣老師推薦：托福聽力最好的課外教材：60-Second Science
康康精選托福會考的主題，堅持每天精聽一定會進步的哦!!

建議方法：
1. 先聽兩三遍 (不看文稿)
2. 再一句一句聽寫 (每句都要聽寫數遍，直到寫出85%以上的字)
3. 最後check文稿，看哪聽不出來，單字沒背過，還是發音不熟。
4. 堅持天天聽，就能每天進步哦。

MP3音檔 (按右鍵可下載聽)：喜歡的同學，幫忙推或按讚哦~~
http://online1.tingclass.net/voa…/2015/20151217sa_health.mp3

只有音檔怎夠，聽不懂地方，不用怕，康康幫你準備好中英文稿了：

中英文稿：
What's the liveliest part of your kitchen, in terms of harboring bacteria? Is it the cutting board? The dish sponge? Or maybe… your coffeemaker? Because even though caffeine has antibacterial effects, it turns out espresso machines can harbor a whole menagerie of bacteria —including some pathogenic species more commonly associated with the toilet.
你廚房裡哪裡的最容易養殖細菌?是櫥櫃?洗碗布?可能還是你的咖啡壺?雖然咖啡有抗菌效果，結果表明咖啡機能夠養殖大量的細菌——其中包括一些和細菌相關的致命細菌。

Researchers sampled ten Nespresso brand espresso machines, zeroing in on the drip trays, which catch those last drops of brown gold after a brew. They found that nine of the ten machines harbored residues rich in Enterococcus bacteria, a typical marker of human fecal contamination. And another common resident was Pseudomonas—which has both benign and pathogenic strains. Pseudomonas appears to thrive in the presence of caffeine, and break it down. Which suggests the bugs might be put to work decaffeinating coffee, or cleaning caffeine residues from our waterways. The findings appear in the journal Scientific Reports.
研究人員取樣了10種品牌的雀巢咖啡機，集中研究了滴灌托盤，方法是在咖啡釀造之後收集咖啡機中最後幾滴咖啡液體。研究人員發現，十台咖啡機中有九台殘留 了大量的腸球菌細菌，腸球菌細菌標誌著人類的排泄物。而另一種常見的細菌是假單胞菌——其中包含良性和致命菌種。假單胞菌似乎在咖啡機中大量存在，然後自 身繁殖。這表明細菌可以去除咖啡中的咖啡因，或者清理我們水道中的咖啡殘留物。該研究結果發表在《科學報告》雜誌上。

As for your next espresso shot? Don't worry too much. The researchers did not find any bacteria in the coffee pods themselves—so they say our fingertips might be to blame for spreading the single-celled invaders. And they write that it's "absolutely not the case" that Nespresso machines are dangerous for human health. Just wash the drip tray regularly with soap and water, as you would any other food-contaminated surface. So that the only thing brewing in your espresso machine… is your coffee.
至於你的下一杯濃咖啡?不要擔心太多。研究人員並沒有在咖啡豆上發現任何的細菌——所以研究人員稱指尖可能是細菌入侵者的罪魁禍首。並且他們寫道：“雀巢 咖啡機對人類健康有危險——情況絕對不是這樣的。只需要經常用肥皂和清水清洗滴灌托盤，並且只要不用任何其他事物污染托盤表面。所以，這樣的話，咖啡機釀 製的--只有你的咖啡。