SNAPSHOT
本文作者： TEENS
75 litersBelieve it or not, people pee (小便) in the swimming pool. Even Olympic swimmers admitted (承认) they did it.So a group of Canadian researchers wanted to find out how much urine (尿液) is in the pool water. |  |
| |||||||||||||||||||||||||||||||
|
|
|
主办
|
|
中报二十一世纪（北京）传媒科技有限公司版权所有，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 网站信息网络传播视听节目许可证0108263 京ICP备2024066071号-1  京公网安备 11010502033664号
|
| ||||||
