Polar bears have adapted to the Arctic’s harsh climate. TUCHONG
Editor’s note:
Due to climate change, debate is mounting over whether the Arctic can be developed sustainably. Here TEENS will help you explore this remote frontier and how humans interact with it.
英文二十一世纪(北京)教育传媒发展中心版权所有,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13028878号-12京公网安备 11010502033664号