旧轮胎去哪儿？

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tire – n. a piece of rubber that goes around a wheel

soot – n. black particles that form when when something (such as wood or coal) is burned

garbage – n. useless or unwanted material

hazardous - adj. involving risk or danger

dispose – v. to give away; to set up or put into position

scale – n. size or amount

irritation – n. aggravation; reddening of the skin

exposure – n. the condition of being made known