The sample consisted of pebbles of hardened sediment that had once been soft, deep-sea mud, as well as granules of gypsum and fragments of volcanic rock.

这一样本包括曾经柔软的的硬化沉积物的卵石、深海淤泥以及石膏颗粒和火山岩碎片。

youdao

Oh well, that's all as clear as mud, then.

哎呀，那么一来这真是成了一本糊涂账了。

《牛津词典》

The camel's feet, well adapted for dry sand, are useless on mud.

骆驼的脚十分适合干旱沙地，但在泥地上毫无用处。

《柯林斯英汉双解大词典》

The BP company pumped heavy drilling fluids,known as mud, into the top of its damaged well in the Gulf of Mexico.

VOA: special.2010.08.07

BP says a more complete solution is needed. The next step is to try to pump mud and other materials to the sea floor and block the well.

VOA: standard.2010.05.17

"Our anticipation is that it will be another seven to ten days to complete all of the preparations that we need to exercise this option and then at that point, we'll pump the kill mud and hopefully have this well killed, and well shut off, and the flow shut off."

VOA: standard.2010.05.17

On May 26th BP, the company responsible for the well that Deepwater Horizon had drilled, started to pump heavy drilling mud into the well's blowout preventer, a set of valves on the sea floor.

ECONOMIST: Nerves are fraying a month after the Gulf of Mexico oil spill

This is what this data is supposed to monitor, but the well flow evidence would appear to have been ignored, because at this point the BP rig supervisors should have gone to a well kill operation and started to pump heavy mud back into the well bore to restore the primary control mechanism.

WSJ: The Oil Disaster Is About Human, Not System, Failure

Above it the Q4000 rig and three attendant vessels have 50, 000 barrels of peculiarly heavy drilling mud and pumps capable of providing 30, 000 horsepower with which to muscle that mud into the well.

ECONOMIST: The Gulf oil spill