二磷酸腺苷 Traditional form: 二磷酸腺苷 Pinyin (reading): èrlínsuānxiàngān Definitions: adenosine diphosphate (ADP) Characters: 二 - two; twice 磷 - phosphorus 酸 - tart, sour; spoiled; acid 腺 - gland 苷 - licorice Traditional characters: 二 - two; twice 磷 - phosphorus 酸 - tart, sour; spoiled; acid 腺 - gland 苷 - licorice