词数 365 建议阅读时间 7分钟测试见7版 教案/课件见网站STRONG winds, sand in the air, poor visibility (能见度), we all know the characteristics of a sandstorm. But what else do you know about them?
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