| 单词 | polymethyl methacrylate |
| 释义 | > as lemmaspolymethyl methacrylate polymethyl methacrylate n. (also polymethylmethacrylate) a tough transparent plastic obtained by polymerizing methyl methacrylate and used as a glass substitute.Proprietary names for this material include Perspex n. and adj., Plexiglas n., Lucite n.extracted from polymethyln.< as lemmas |
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