シベリア撤兵
シベリア横断の
シベリア沿海州
シベリアのツンドラ
シベリアは飢饉だ
シベリアの天然資源
of or relating to or characteristic of Siberia or the Siberians
The question of Japan's expedition to Siberia gave rise to a public controversy.
of international transportation, the overland route called the Siberian Land Bridge