Now let's look at using " from" to describe a transport route. This is also a preposition.

现在让我们看看使用“from” 来描述运输路线。 这也是一个介词。

Iran and Russia have signed a contract to build a railway inside Iran to complete an international transport route linking South Asia to Northern Europe.

伊朗和俄罗斯签署了在伊朗境内修建铁路的协议，以完成连接南亚和北欧的国际运输路线。

This additional transport route could also explain the high amounts of microplastic that we've found in the Arctic sea ice and the deep sea in previous studies, she said.

" 这条额外的输送路线也可以解释早前研究在北极海冰和深海发现大量微塑料的原因。"