They're the most powerful erosive force on our planet.

是地球上最的侵蚀作用。

Driven by gravity, they're the most erosive forces on the planet.

们借助地心引力 成为地球上最的侵蚀力量。

There are nine types of dangerous goods, like flammable, explosives, toxics, erosive, radioactive.

危险品有九种类型， 如燃物、爆炸物、有毒物、腐蚀性、放射性物。

We live in a changing world where the continental plates, Earth's climate, and the planet's erosive power might one day conspire to cut Mount Everest down to size.

我们处在一个不断变化的世，板块，地球的气候，以及侵蚀能力，也许会在某一刻共同将珠峰削低。

The problem with that theory, says Dr Rowan, is that there are some peaks that manage to escape the erosive effect of glaciers, and then grow so steeply that glaciers can no longer stick to their sides.

罗文博士说，这一理论的问题在于，有些山峰能够逃脱冰川的侵蚀作用，然后变得非常陡峭，以至于冰川再也不能粘在们的两侧。