单词：tosca
音标：['tɔskә] ；
n. 碳酸钙沉积
单词：tosca 相关文章
By Jessica Berman Washington 29 May 2008 As the newly deployed Phoenix spacecraft begins its mission in search of life near Mars' northern pole, scientists say an analysis of Martian deposits suggest there was once water on the planet, but it was too
发表于:2019-01-13 / 阅读(62) / 评论(0)
VOA标准英语2008年（五月）
VOA标准英语2008年（五月）