木制玩具是典型的不含任何化学塑料填充物的玩具。
Wooden playthings typically don't contain any chemical-filled plastics.
营销协调员担心一些普通塑料中的化学物质可能会对她的身体产生影响。
The marketing coordinator was concerned about what the chemicals coming out of some common types of plastic might be doing to her body.
塑料在户外被焚烧,化学药剂被排入河流,环保组织 Greenpeace 发现贵屿的空气、土地和河流被严重污染。
Plastic is burned outdoors and chemical water is poured into rivers, Greenpeace, an environmental group, has found the air, the earth and the rivers in Guiyu badly polluted.
We're familiar with polymers, plastics in our daily life; the chairs that you're sitting on are made of a kind of a plastic polymer that is basically an organic chemical that is cross-linked together.
我们应该很熟悉聚合物,比如日常生活中的塑料就是,你们坐的椅子,就是由一种塑料聚合物构成,它由基本的有机化学物质交联在一起
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