● 羰tāng ㄊㄤˉ
◎ 〔羰基〕是由碳酸减去氢氧原子团而成的复基。亦称“碳氧基”、“碳酰基”。
◎ 羰 tāng〈名词〉化学名词,“羰基”,也叫“碳氧基”、“碳酰基”(=CO),是由碳酸减去氢氧原子团而砀复基
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