engineer
tunnels
the Russians 表示俄羅斯人
B
謝謝你,我可不可以再問你幾道題?當(dāng)然可以啦翻譯句子:在山中修建鐵路是很難的 她是一名民族英雄。YangLiweiisChina‘s first astronaut and a national h()。The party l( ) three hours yesterday.
It is very difficult/tough/hard to build rail-road in/through the mountains.
She a national heroine.
hero
lasted