The roasting process causes the coffee beans to swell and increase in size by over 50%, while at the same time greatly reducing their weight.

在烘焙过程中，咖啡豆的体积会膨胀50%以上，而其重量却会下降。

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The roasting process causes the coffee beans to swell and increase in size by over 50%, while at the same time greatly reducing their weight.

在烘焙过程中，咖啡豆的体积会膨胀50%以上，而其重量却会下降。

youdao