A branch of the Indo-European language family that includes bulgarian, belorussian, czech, macedonian, polish, russian, serbo-croatian, slovak, slovene, ukrainian, and wendish. 斯拉夫语印欧语系的一支,包括保加利亚语、白俄罗斯语、捷克语、马其顿语、波兰语、俄语、塞尔维亚-克罗地亚语、斯洛伐克语、斯洛文尼亚语、乌克兰语和文德语。