| 单词 | polyurethan |
| 释义 | polyurethan (extremely rare) n WORD FAMILY polyurethan n any of various polymers containing the urethane radical; a wide variety of synthetic forms are made and used as adhesives or plastics or paints or rubber Syn|Hypo|Hyper polyurethane polyfoam, polyurethane foam a foam made by adding water to polyurethane plastics polymer a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers |
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