SCIENCE STUDY

Using AC in winter IN A sMART WAY

作者：TEENS

In some places, there is no public heating system. People have to use the air conditioning (AC) in winter. If you use the AC in a smart way, you can save money and energy (能源). Here are some things you need to know.

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期初二尊享卡用户，我们开放所有内容：
如果您拥有以上权限，请点这里登录；
订阅电子报，请点这里；
激活VIP教师卡，请点这里；
激活21英语尊享卡，请点这里。

相关文章
Smart ants leave no ant behind （873期）Here comes the start of winter （867期）Smart collar for a smart dog （867期）Smart collar for a smart dog （867期）Cold Dew tells us winter is coming （864期）Young Chinese basketball player Cui Yongxi makes his way into the NBA （864期）The quick way is rarely the right way （863期）