WHAT you'll need: an empty plastic (塑料的) soda bottle.What to do: Cut the bottle in half. Fill the bottom-part half bottle with hot water halfway to the top. Turn the top-part half bottle upside down, with the cap firmly (紧紧地) fastened (盖上), and fill it with ice.
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