n.去除中心部分，地层中取出的圆形岩石样品；核化；钻取土样；晶内偏析 英英释义： core[ 'kɔ:riŋ ]n.the center of an object"the ball has a titanium core"a small group of indispensable persons or things"five periodicals make up the core of their publishing program"同义词：nucleuscore groupthe central