a piece of research, a study, investigation

a laboratory

a thing, occasion, circumstances, detail, particular / act of (word used for the nominalization of verbs, adjectives, or phrases)

犬猿: a bad relationship, like cats and dogs / 倦厭: weariness / 嫌煙: dislike of smoking / 腱炎: tendonitis

検疫: quarantine

to differ, to vary / to be incorrect, to make a mistake / to run counter to, to go against, to defy

differ; vary / go against; run counter to; disobey

研究員: researcher

soot / coal

to research, to study