LDPE is a very soft plastic which is not easily broken.
低密度聚乙烯是一种很软且不易碎的塑料。
There are families living on rubbish piles; children sleeping on broken wood; families huddled away from the sun under torn plastic sheets.
有居住在垃圾堆旁的家庭,孩子们睡在破木板上,一家人用破旧的塑料布遮挡太阳。
One is to coat the glass with a substance that will make sure the glass doesn't shatter into pieces when it is broken--that could be a plastic material for example.
一方面是给玻璃杯涂一层特殊材料,防止其摔碎,这一材料可能会是塑料。
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