单词 pinipicrin 释义 pinipicrin Chem.|panpkrn|[f. L. pn-us pine + Gr. - bitter + -in.]A bitter substance (C22H36O11) obtained from the needles and bark of Scotch fir (Pinus sylvestris), and the leaves of the American Arbor-vit (Thuja occidentalis).1866Wa...