单词 Styrofoam 释义 Styrofoam Chiefly U.S.|starfm|Also styro-.[f. polystyrene + -o + foam n.]A proprietary name for a variety of foam plastic.1950Official Gaz. (U.S. Patent Office) 11 July 403/1 Dow Chemical Co...Styrofoam... For irregular solid masses o...