单词	pyrocatechuic acid
释义	pyrocatechuic acid noun py·​ro·​cat·​e·​chu·​ic acid ¦pīrō¦katə¦chü|ik-, -ə¦shü|, -ə¦kyü| : a crystalline acid C6H3(OH)2COOH derived from pyrocatechol; 2,3-dihydroxy-benzoic acid Word History Etymology pyrocatechuic from pyr- + catechu + -ic
随便看	unbeginning unbegot unbegotten unbeguiled unbeguiles unbeguiling unbegun unbeheld unbeholden unbeing unbeknown unbeknown to unbeknownst unbeknownst to unbelief unbeliefs unbelievability unbelievable unbelievably unbelieve unbelieved unbeliever unbelievers unbelieves unbelieving

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