Fun Time

Groundhog on trial

作者：Calvin Pollak

ANIMALS can sense changes in the weather. For example, when a storm is approaching, dogs often bark (吠叫). Most people don’t treat them as experts, however.

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期高一尊享卡用户，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。