锫(Bk)、钍(db)和钅黑(Hs)分别命名于这些人工元素的诞生地美国加州伯克利的杜伯纳、俄罗斯和德国的黑森州。

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.

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黑俄罗斯梗的动作是自由的，有流畅的、轻松的、轻快的动作。

A Black Russian Terrier should move freely with a smooth easy springy motion.

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我在哪里可以看黑俄罗斯电影在线免费全速？

Where can I watch Black Russian movie online free full stream?

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