标签：意味 相关文章

万花筒 2010-04-15&04-016 世界核安全峰会领导人云集

This is Barack Obama charm offensive of work, 46 countries, 36 world leaders, and the US president appealing for their help. The words whispered in their ears of the family photo, the pressure applied on the issue. The US believes it's one of the big

发表于:2018-12-11 / 阅读(48) / 评论(0) 分类 万花筒2010年

英语听力：2013-06-23 《恐龙的战争》3 顽强防御—4

Sometimes they even take on members of their own specie in a battle for dominance. Its primary weapon is a pair of a-meter-long horns mounted on its skull. These horns make those of modern creatures look lightweight. A rhinos horn is made of hair, an

发表于:2019-01-23 / 阅读(74) / 评论(0) 分类 探索与发现2013年
最新学习文章
热门学习文章