名词
中文翻译：塑料泡沫
同义词：
['polystyrene foam', 'polyurethane foam']
例句：
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1.The plastic foam was too soft to be used as a cushion.
这种塑料泡沫太软，不适合作为垫子使用。
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2. The foaming agent is responsible for the creation of the plastic foam.
发泡剂负责制造这种塑料泡沫。
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3.The foamed plastic is lightweight and easy to transport.
这种发泡塑料重量轻，便于运输。