It asserted its independence from the Seleucid dynasty c. 250 BC as part of the Bactrian kingdom (see Bactria), and fell to invading northern tribes in the 2nd century BC.是什么意思_It asserted its independence from the Seleucid dynasty c. 250 BC as part of the Bactrian kingdom (see Bactria), and fell to invading northern tribes in the 2nd century BC.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句