noun🔗Share石灰、酸化物The substance which remains after a metal or mineral has been thoroughly burnt, once seen as being the essential substance left after the expulsion of phlogiston, but now recognised as being the metallic oxide (or, in some cases, the metal in a state of sublimation)."The alchemist, after heating the copper ore for hours, examined the reddish-brown calx remaining in the crucible. "錬金術師は、銅鉱石を何時間も加熱した後、るつぼに残った赤褐色の石灰を調べた。chemistrysubstancematerialmineralscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareゴールエリアIn the Eton College wall game, an area at the end of the field where a shy can be scored by lifting the ball against the wall with one's foot."The team successfully scored a shy by kicking the ball against the calx. "チームはゴールエリアにボールを蹴り込み、見事なゴールを決めた。sportgameareaplaceChat with AIVocabulary GamePractice Reading
