(pathology) chancroid

対語: a compound formed with characters of opposite meanings; an antonym

追跡: chase, pursuit; tracking, following / 追惜: a grudge held against someone even after they have died

追跡: to chase, to pursue; to track, to follow / 追惜: to hold a grudge against someone even after they have died

左右一対: symmetrical pair, left and right pair

歳々年々: year in, year out

考え: thought, opinion

図鑑: An illustrated reference book, such as a field guide, bestiary, guide book, or picture book

監視網: surveillance network

寒天: Agar, agar-agar. / 寒点: The sensory cells of the skin that perceive cold. / 官展: An art exhibit hosted by the government. / 寛典: A generous favor; merciful treatment, a merciful sentence.