我们很确定在早些时候，马就在西北地区，即现在的乌克兰和俄罗斯西部被驯养。
We are pretty sure that horses were first domesticated a bit earlier, to the northwest, in the area that is now Ukraine and western Russia.
今天我们将参观俄罗斯西部军区的炮兵某旅。
Today we’ll visit an artillery brigade from the Western Military District.
作为火灾的产物，烟尘的成分，一氧化碳是俄罗斯西部大部地区森林大火的污染物之一。
A product of fire and a component of smoke, carbon monoxide is among the pollutants that wildfires spread across much of western Russia.
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