The formation and roles of the american polonia 论美国波裔族群的形成及其历史作用
2.
The element was discovered by mr . and mrs . curie in 1898 and was later named after mrs . curie s homeland of poland latin : polonia 1898年居礼夫妇在处理铀矿时发现钋元素，她为纪念自己祖国波兰拉丁文: polonia ，把这种新元素定名为钋。
