单词:
单词: 相关文章
The Grand Canyon: A Sight Beyond Words EDITOR'S NOTE: This year, the U.S. National Park Service turns 100. Americans 28th President, Woodrow Wilson, formed the National Park Service in 1916 to protect the wild and wonderful landscapes in the United S
发表于:2019-01-12 / 阅读(39) / 评论(0)
2016年VOA慢速英语(八)月