动词 core:

1. remove the core or center from

Corfu科孚岛CORabbr.转动中心（=center of rotation）abbr.角落（=corner）coryophyllic acid丁香酚Cortusa matthiolin.假报春Coronopus didymusn.臭荠CORT PMI Thinking“柯而特”PMI思维理论Corti's membranes科莱伊Coriolus hirsutus毛云芝菌Corydalis nobilisn.阿山黄堇cortisone hormone可的松类激素Corti rs ganglion柯替氏神经节, 螺旋神经节Corbus rs disease科巴斯氏病

1. The earth has a core and a mantle around it.
   地球的中心是地核，地核的周围是地幔。
2. He is American to the core.
   他是个地地道道的美国人。
3. He ate the plum, and threw the core away.
   他吃掉了李子，并扔掉了果核。
4. The core of our appeal is freedom of speech.
   我们的要求的核心是言论自由。