WE often hear news about oil spill (泄漏) accidents in the ocean. Just think about it: thick, black oil covering the surface of the ocean, spreading hundreds of kilometers. How terrible it must be for the fish that live there!
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