deteriorative change的用法和樣例：
例句
- There is no doubt that the imperialists want socialist countries to change their nature.
帝國主義肯定想要社會主義國家變質。 - The polymers change color in the presence of increasing leels of these biogenic amines to indicate degrees of food spoilage.
這些聚合物在那些生物胺的水平升高時顏色發生了改變，對食物的變質程度作出了指示。
