Fallen trees also provide bird and animal shelter, increase water holding capacity of the soil, and recycle nutrients back into the environment through decomposition.

倾倒的树木也为鸟类和动物提供了栖息的场所，同时维系了水土，经过议定物质分解，将营养成分循环操纵。

youdao

Where 50-kilogram king salmon once fought their way up waterfalls to lay their eggs in gravel beds, there now are only concrete walls holding back still water and deep beds of muddy deposits.

50公斤重的大马哈鱼王曾经奋力爬上瀑布，把卵产在砾石床上，现在只有混凝土墙挡住静止的水和深深的泥床。

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A crowd of village women holding sari cloth around them as a makeshift curtain, and poured soapy water from a metal pan over their heads.

一群村里的妇人举着充当临时布帘的莎丽围着她们，从她们头顶上的一个金属锅里倒肥皂水。

youdao

That is one of our allies is the fresh water holding the oil out in the open water as opposed to coming into the isle marshes and stuff."

VOA: standard.2010.05.09

There were 12 shiny drops of water, each holding a tiny baby no larger than her big toe.

VOA: special.2009.02.28

Farmers plant a warm-season perennial grass and fallow the field for two years, improving soil quality and water-holding capacity.

FORBES: New Technology Reduces Agricultural Water Consumption

The turtle's empty carapace, or shell, is used as decorative pieces in their homes, or as containers for holding water and food.

BBC: volunteers pulling a turtle to safety

They quickly learned that they needed to scale back too everything from taking shorter showers to save on water, to holding off on new clothes to using their own money if they wanted extras (like a trip to the drive-thru).

FORBES: Move up http://i.forbesimg.com t Move down