n.深黄铀矿...

The French scientists Becquerel had already found that the salts of uranium had some light - giving properties.法国科学家贝克勒尔早已发现铀中的盐含有某种发光的物质.Becquerel had discovered the fact that this strange radiation existed in the world...

n.贝可勒尔（放射性强度单位，每秒有一个原子衰变），贝克勒尔...

becquerelite的音标：becquerelite的英式发音音标为：['bekerɪlaɪt]becquerelite的美式发音音标为：['bekerɪlaɪt]...

becquerel的音标：becquerel的英式发音音标为：['bekərel]becquerel的美式发音音标为：['bekərel]...