The sun was shining brightly as we sailed downstream through a hilly region.

当我们顺流而下穿过山区的时候，阳光很灿烂。

It's a hilly region, so good for cattle grazing.

这是一个丘陵地区，非常适合放牧。

Further north, you'll find the Canadian Shield, a hilly region of lakes and swamps that stretches across northern Canada with rocks that are 1 billion years old.

再往北走，你会发现加拿大地盾，这是一个遍布湖泊和沼泽的丘陵地区，横跨加拿大北部，岩石的历史已经有10亿年了。

Ah, in terai region it's really hot, but in the hilly region, like it's perfect, and then there's the Himalayas, where it's super cold, and that's where there are like a lot of mountains, which divides us from China.

南部塔米区非常热，不过丘陵区的气温很完美，而喜马拉雅山区特别冷，那里有许多高山，是尼泊尔和中国的边界。