BBC Learning English - Bad Breath 口臭

　　Helen: He said that he received a letter from someone who had locked himself away for years because he’s got bad breath.

　　Feifei: Locked himself away for years 把自己封闭了很多年。有一个病人因为患有口臭，所以变得非常自卑，结果得了自闭症。

　　Helen: This poor chap wrote to Dr. Stemmer and said in the letter that Dr. Stemmer was his last hope.

　　Feifei: 最后的希望 last hope. 他都已经快绝望了。

　　Helen: Dr. Stemmer described the man as literally at the end of his tether.

　　Feifei: Tether 是拴动物的绳子，这个词在这里形容不知如何是好，想不出什么解决方式了，at the end of one’s tether.

　　Helen: It’s a desperate situation for this young man. But first, let’s find out what the cause behind bad breath is.

　　Feifei: 是啊，口臭到底是怎么一回事儿呢？

　　Insert

　　Bad breath is caused by excessive bacteria giving off too many gases, which smell odorous gases.

　　Helen: So bad breath is caused by excessive bacteria.

　　Feifei: 味道 odour, 口臭是口腔里过多的细菌 excessive bacteria 散发出过多的气体。

　　Helen: And there are many causes behind bad breath. Dr. Sarah Jarvis lists a few of them.

　　Insert

　　Bad breath can be linked to low fluid intake, sinus problems or stress, when our body’s natural mouth wash, saliva, tends to dry up.

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