斯摩棱斯克是俄罗斯西部的一个重要交通枢纽。

___Smolensk is a major transportation hub in western Russia.

斯摩棱斯克州位于俄罗斯西部，与白俄罗斯接壤。

The ___Smolensk region is located in western Russia, bordering Belarus.

斯摩棱斯克空难导致波兰多位高级官员遇难。

Many Polish leaders lost their lives in the ___Smolensk air disaster.