甲醛 jiǎquán formaldehyde Definitions Defs Origin Strokes Stroke Words Sentences Sents 聚甲醛 jùjiǎquán polyformaldehyde a high-performance engineering plastic; polyformaldehyde (CH2O)n苯甲醛 běnjiǎquán benzaldehyde the simplest aromatic aldehyde with the chemical formula C6H5CHO
