国际空间站——人类探索宇宙的驿站。OlN the Earth, everyone has a lhome. While in space, there is lalso a home. It is nearly as big las a soccer field and larger than a six-bedroom house. It is the International Space Station (ISS).
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
京公网安备 11010502033664号
