n.a family of Indo-European languages including the Slavic and Baltic languages
同义词：Balto-SlavicBalto-Slavic language
英汉双解大词典
Balto-Slavonic(alsoBalto-Slavic)
1.
N（名词）
a hypothetical subfamily of Indo-European languages consisting of Baltic and Slavonic. It is now generally believed that similarities between them result from geographical proximity rather than any special relationship 波罗的—斯拉夫语系; 印欧语系中一假定语系