But large-scale projects require the relocation of millions of people and cause deep changes to river flows and hurt farmers and shipping, causing tensions within the country.

然而，大型项目需要迁移成千万上百万的人，同时也对河流造成深层次的影响，并且会伤害到农民（生产）和航运，导致国家内部的对立。

youdao

Snow persists on Mt. Hood’s summit, even at the end of summer, and old lava flows leave rivulets of rock running deep into the surrounding forest.

胡德山顶终年积雪，经夏不消。 古代熔岩流留下条条石头河，深入周边的森林。

youdao

The Black Sea river flows only for around 37 miles until it reaches the edge of the sea shelf and dissipates into the deep sea.

这条黑海的河的水流仅约37公里，当它抵达海洋大陆架边缘时，就消失于深海之中。

youdao

These lines follow underwater mountains, where hot liquid rock flows up from deep inside the planet.

VOA: special.2010.01.12

They said hot melted material flows up from deep inside the Earth through the split.

VOA: special.2010.01.12