Pole to poleTeacher: What is the axis (轴) of the Earth?Student: The axis of the Earth is an imaginary (想象的) line, which passes from one pole to the other, and on which the Earth revolves (旋转).
21世纪报社版权所有,未经书面授权,禁止转载或建立镜像。 主办单位:中国日报社 Copyright by 21st Century English Education Media All Rights Reserved 版权所有 复制必究 京ICP备13028878号-12京公网安备 11010502033664号