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
Something that's not a material object.
一个不是由物质实体构成的东西
Well the fact is it could be hundreds of foods in the American food supply, and what's noteworthy about this particular list of ingredients, is that it's fifty-six entries long; fifty-six things in this particular food and we defined it as food.
实际上,答案可以是,几百种美国食品,值得注意的是,这张配料单,居然包含了五十六种配料,这种由五十六种物质构成的东西,而我们还将它定义为食品
应用推荐