单词:lapis albus
[化] 天然氟硅酸钙
[医] 白石(硅氟化钙)
[医] 白石(硅氟化钙)
单词:lapis albus 相关文章
ARI SHAPIRO, HOST: Centuries ago in the Middle Ages, religious scribes labored over lavishly illustrated books. Most of these illuminated manuscripts were made by anonymous artists. Now scientists say they have a new kind of evidence that could revea
发表于:2019-03-04 / 阅读(171) / 评论(0)
2019年NPR美国国家公共电台1月