Monster star
本文作者： TEENS
谁是宇宙中的恒星之王？ Keywords
Meet Stephenson 2-18. It is a very big star.
How big is it? It could hold about 10 billion (十亿) suns inside. |  |
| |||||||||||||||||||||||||||||||
|
|
|
主办
|
|
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
|
| ||||||
