pyroxylin
n. 硝酸纤维素；火棉胶；绵火药
例句
The protective coating on aluminium foils packaging for medicine was formulated with thermosetting acrylic resin, pyroxylin.
采用热固性丙烯酸树脂、硝基纤维素等制成药品包装用铝箔保护涂料。
