berkelium bk
常见例句
- Berkelium (Bk), Dubnium (Db), and Hassium (Hs) were named after Berkeley, CA, Dubna, Russia and the German state of Hessen, respectively, where these man-made elements were created.
錇（Bk）、釷（Db）和钅黑（Hs）分別命名於這些人工元素的誕生地美國加州伯尅利的杜伯納、俄羅斯和德國的黑森州。
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