accretion stream

例句：

1. 1. The accretion stream is a natural phenomenon that occurs when the Earth's crust is slowly moving and building up material.
   堆积物流是一种自然现象，当地球的地壳缓慢移动并积累物质时会发生。
2. 2. The accretion stream is also known as an accumulation flow, which refers to the movement of materialfrom one place to another in a flowing manner.
   堆积物流也被称为积聚流动，指的是物质以流动的方式从一个地点流向另一个地点。
3. 3. In this case, the accretion stream is responsible for the formation of the mountain range, as it carries sediment from the riverbed to the top of the mountain.
   在这种情况下，堆积物流负责形成山脉，因为它将河流床的沉积物输送到山顶。