quán醛aldehydeFrequency 3.0Meaningsaldehyde (organic compound containing a -CHO group)Related words醛基醛糖甲醛乙醛蚁醛醋醛丙醛酚醛苯甲醛酚醛胶Example sentences新装修的房间里可能含有甲醛。甲醛是一种常见的室内污染物。