The water dragged up silt from the river bottom.

波浪把河底的泥沙都带上来。

These formed when silts and muds and clays were deposited in swampy wetlands environments.

当泥沙和粘土沉积在沼泽湿地的环境中就会形成化石。

Muck divers explore apparently unpromising sand flats and muddy silts devoid of visible inhabitants.

漫潜者探索的是毫无前途的沙坪区域以及没有任何可见居住动物的泥沙区域。

Fine silt, deposited in ancient rivers and lakes.

即远古时期河湖中沉积的细泥。

Flowing southward down this great river, the silt is carrying pesticides.

泥沙顺着这条大河往南流，携带着农药。

It grows deep in the silt and is difficult to dig out.

这种植物生长在湖水下面深深的淤泥中，要想挖到不是容易的事。

Characters monitor crops and the silt building up in rivers.

角色们负责监察庄稼和河流中堆积的泥沙。

Locate it first and figure out its length, and then clear away the silt around it, bit by bit.

摸清楚整根藕的走势和长度，然后再逐段地清除淤泥。

A slower conveyor belt also means that silt and debris get carried and deposited differently.

大洋输送带的减弱也意味着淤泥和碎石以不同的方式被携带和沉积。

People who are not so strong are incapable of digging through the silt.

一般身体素质差的，一锹土下去，没这个体力。

If it is broken and contaminated with silt, the value will be ruined.

藕断就相，灌进淤泥，就更不出价格。

It's especially vulnerable to light damage, and by the mid-1990s, Gilardi's pumpkins, roses, and other figures were silting and crumbling.

它特别容易受到光损伤，到 1990 年代中期，吉拉迪的南瓜、玫瑰和其他人物已经淤塞和碎。

They died and a short while later the area flooded, covering their remains in mud and silt.

他们死后不久，这个地区遭洪水淹没，泥土和淤泥覆盖他们的遗体。

I think there's still silt in there.

- 我认为那里还有淤泥。

Called glacial rock flour, the silt is crushed to tiny particles by the weight of the melting ice.

这种泥沙被称为冰川岩粉。它被融化的冰压碎成微小的颗粒。

It's now disused and in a bit of a state as the river silts up here.

现在它已被废弃，且由于河流在这里淤积而处于某种状态。

They’re flat, they’re well watered, and when they flood, they deposit nutrient-rich silt.

它们是平坦的，浇水充足，当它们泛滥时，它们会沉积富含营养的淤泥。

Merritts doubted that floodwaters could have deposited enough silt to make a bank that tall.

梅里茨怀疑洪水是否能沉积足够的淤泥来建造那么高的堤岸。

The tiny size of the silt's particles also helps speed up a natural process in which rocks absorb carbon dioxide.

泥沙颗粒的微小尺寸也有助于加速岩石吸收二氧化碳的自然过程。

Landscapes were already degraded, rivers were silted with precious topsoil.

景观已经退化，河流被珍贵的表土淤积。