The suspended particle sizes in the near-bottom layer were close to the bottom mud particle sizes, and their grain compositions are also similar to each other.

水柱近底层悬浮颗粒粒径同底质浮泥颗粒粒径大小相近，颗粒组成也非常相似。

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They scoop up insects and larvae, shellfish, and worms in their bill along with bits of gravel and mud from the bottom.

它把昆虫和幼虫、贝类动物以及蠕虫连同底下的碎石和泥土一起兜到嘴里。

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The layers of mud and microbes help geologists understand forces at work on the ocean bottom deep in the past.

泥层以及其中的微生物可以帮助地质学家了解深海海床之前所经历的外力作用。

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On the bottom was all slimy mud, broken bottles and bits of glass and bricks and nails and old stuff, everything.

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The team also hopes to take samples of mud from the bottom of the lake, to better understand the geological history of the West Antarctic Ice Sheet and Earth's past climate.

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More heavy mud was sent to the bottom to control the kicks.

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