1. There are fears that the situation might deteriorate into full-scale war. 人们担心局势会恶化为全面战争。
2. Food is apt to deteriorate in summer. 食物在夏天爱变质。
3. The chemicals on shoes can deteriorate air quality. 鞋子上的化学物质会恶化空气质量。
4. The dust and toxic chemicals you bring into your house via your shoes can deteriorate the air quality in your home. 你通过鞋子带进家里的灰尘和有毒化学物质会使家里的空气质量恶化。
5. Paintings must have rigid stretchers so that the canvas will be taut, and the paint must not deteriorate, crack, or discolor. 画必须有坚硬的画架,这样画布才会绷紧,而且颜料不能变质、开裂或变色。