可可電臺，每期節目一話題，讓英語磨練耳朵的同時學到更多有益的小知識，豐富知識的同時受益于生活。

拒絕快餐

Fast food "burgers" don't have much burger in them

快餐漢堡中并沒有很多肉

One study found that most fast food burgers are composed of about 50 percent water and the actual meat content is only 2.1 to14.8 percent.

研究發現大多數快餐漢堡里有50%的水，實際肉含量只有2.1%到4.8%。

So what makes up the rest of it, you ask? Chemical fillers and preservatives, mostly.

所以你會問剩余的部分是由什么組成的？大多數是化學填料和防腐劑。

That's why we see read horror stories about burgers that don't go bad.

那就是為什么我們讀到關于漢堡不會變壞的恐怖故事。

【知識點津】

be composed of 由…組成；由 ... 組成

例句：

The shop name shallbecomposedofmore than two Chinese characters.

字號應當由兩個以上的字組成.

preservative n.防腐劑；預防法；防護層

例句：

The wood is treated with preservative to prevent decay.

這塊木頭用防腐劑處理過以防止腐爛.

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