释义 |
pol.y.merHpBl7I7mE5, $5pB:7lI7mLn [C]specialized a chemical substance consisting of large MOLECULES (= groups of combined atoms) made from many smaller and simpler molecules聚合物,聚合体,多聚物Some polymers occur naturally but many, such as nylon, are artificial.一些聚合物是天然的,但许多是人造的,如尼龙。Proteins and DNA are natural polymers.蛋白质和脱氧核糖核酸都是聚合体。
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