(a.) Pertaining to, or designating, a strong organic acid
(called picric acid), intensely bitter.
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双语例句
Maroon ink may be made by mixing equal quantities of black, blue, and red inks; yellow by adding 1-1/4 drachms of picric acid to 1 pint of hot water. 威廉K.戴维.智者、化学家和伟大医生的秘密.