noun 下载 🔗分享 硝化纤维素,火棉。 A highly inflammable form of nitrocellulose; used in the manufacture of collodion and lacquers. Examples : "The old guitar's shiny coating was made with a lacquer containing pyroxylin, making it look beautiful but also a fire hazard. " 这把旧吉他闪亮的外壳是用含有火棉(硝化纤维素)的漆制成的,这让它看起来很漂亮,但也存在火灾隐患。 material substance chemistry compound industry 与AI对话词汇游戏阅读练习