单词	troffer
释义	troffer noun trof·​fer ˈträ-fər  ˈtrȯ- : an inverted trough serving as a support and reflector usually for a fluorescent lighting unit Word History Etymology blend of trough and coffer First Known Use 1942, in the meaning defined above
随便看	polymethyl methacrylate polymetric polymetry polymicrobial polymicrobic polymignite polymignyte Polymixia polymixiid Polymnia polymnite polymolecular polymolecularity polymolybdate polymorph Polymorpha polymorphean polymorphic polymorphically polymorphism polymorphisms polymorphonuclear polymorphonuclear leukocyte polymorphonuclears polymorphonucleate

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