| 单词 | a polymer |
| 释义 | polymerDefinition Very high molecular-weight compound made up of a large number of simpler molecules (called monomers) of the same kind. Most plastics are man-made polymers, while proteins are natural polymers made up of amino acids. Use 'polymer' in a SentenceJack was researching the use of polymers in design of the new car to lighten the load and extend the range. A century ago bone, horn, and ivory were used to make buttons, dice, and other hard objects, but with the invention of man-made polymers these substances have been replaced by high-quality plastics. The compound was a polymer of various substances, and it functioned way better together than any individual part by itself. |
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