MAHOWALD: Desert dust or mineral aerosols is a mineral soil particle that suspended in the atmosphere.

沙漠尘埃或矿物气溶胶是一种悬浮在大气中的矿物土壤颗粒。

But in an earthquake, soil particles repeatedly jostle back and forth so much that the water can't flow away.

但在地震中，土壤颗粒反复来回晃动，以至于水无法流走。

Dust consists of dead skin cells from humans, soil particles, and fibers from clothes made from cotton and other materials.

灰尘包含人体代谢的皮肤细胞，土壤颗粒，衣服上的棉絮纤维以及其它材质。

These bubbles rise to the surface and burst through that layer of organic material, catapulting the soil particles into the air.

这些气泡浮到水面冲破最上面的一层有机材料后将土壤颗粒携带到大气中。

The glue and the microbes form these biofilms that hold soil particles together.

胶水和微生物形成了这些将土壤颗粒结合在一起的生物膜。

33. So, the rain eroded the soil and swept it into the rivers-this is called silting, when soil particles are washed into the rivers.

所以雨水侵蚀土壤，将它冲进河里。当土壤微粒被冲进河里时，这就叫做淤泥沉积。

Microbes and their carbon eventually break down, and the carbon from the microbes sticks to soil particles, creating what we call soil clumps or aggregates.

微生物及其碳最终分解，微生物中的碳粘附在土壤颗粒上，形成我们所说的土壤团块或聚集体。

And, we include drains that both relieve pressure  so it can't build up within the soil and filter the seepage to prevent it from washing away  soil particles from inside or below the structure.

而且，我们还设置了排水沟，既可以缓解压力，使其不会在土壤中积聚，又可以过滤渗漏，以防止其冲走结构内部或下方的土壤颗粒。