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请区分一下plastic和plasticsThesespoonsaremadeofplastic.manythingsaremadeofplastics.看过这样的例子.更分不清这两个词了.难道能通用?

题目详情
请区分一下plastic 和plastics
These spoons are made of plastic.
many things are made of plastics .
看过这样的例子.更分不清这两个词了.难道能通用?
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答案和解析
plastic.是做形容词和名词词性,做形容词是塑料的/可塑的:做名词是塑料制品/整形.不过一般做形容词性比较多.
plastics只做名词,可译成塑料,整形外科,塑胶,塑料制品等.
These spoons are made of plastic.汤勺是用塑料的制品做成的,强调汤勺的制作特性是塑料的,做形容词使用.
many things are made of plastics .许多的物品由塑胶制成,强调物品的制作材料是塑料,做名词使用.