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Here's an at-home experiment you can try.
你可以在家做這樣的實驗。
Take a can of “classic” Coca-Cola and a can of Diet Coke, and without opening either one submerge them in water.
把沒打開過的兩聽可樂放在深槽或者高桶中，
A deep sink or a bucket will do the trick.
里面的水淹沒兩聽可樂，
You'll find the can of Diet Coke rises to the top, while the Classic Coke stays sunk.Can you guess why? Why?
你會發現無糖可樂浮在水面;而含糖可樂卻沉下去了。你能猜到原因嗎?
The answer lies in the chemical contents of the Diet Coke-in fact, in the very distinction that makes it “Diet”.
奧秘就在于無糖可樂的成分，這也是“無糖”的原因。
Although their ingredients are otherwise similar, Diet Coke is not made with real sugar: instead, the makers of Coca-Cola products have replaced the sugar with a synthetic chemical called Aspartame.
雖然，無糖可樂和普通可樂的成分很相似，無糖可樂中添加的并非真正的糖，而是一種做“阿斯巴甜”的合成化學物。
Aspartame, which is commonly known as Nutra sweet, is a kind of substitute sugar-intended to mimic the distinctive taste of sugar without carrying the associated calories.
“阿斯巴甜”是一種常見的代糖甜味劑，不含糖的熱量卻有糖的甜味。
譯文為可可英語翻譯，未經授權請勿轉載!
