Science

Dinosaur noses revised

作者：LOS ANGELES TIMES

Nostrils were further forward, closer to mouths than thoughtLOS ANGELES — Scientists long have suspected that dinosaurs were land animals. Only recently, however, have the giants of the Earth ...

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期二十一世纪英文报尊享卡用户，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。