The gravel pits have been landscaped and planted to make them attractive to wildfowl.

这些乱石坑已经被美化，种了树来吸引野生鸟类。

《柯林斯英汉双解大词典》

Pits and mounds have significantly different soil properties than other areas in the forest.

与森林中的其他地区相比，坑和土丘的土壤性质有显著的不同。

youdao

Sump pits are very common in Canada and if you have one it's a good time to test its' operation and install the discharge hose outside (away from your house of course).

集水坑在加拿大非常常见。如果你家有集水坑，现在需要检查一下其运行情况，在外面装上泄水软管(当然要在你家外面喽！)

youdao

The La Brea Tar Pits have also provided science with interesting information about the plants that grew in the area.

VOA: special.2010.04.07

We have the compelling, official authority of the new state licenser, and Milton pits that external state of power against the powers of reason and against the powers of conscience that, of course, were seen to govern human action from within -- an internalized authority.

我们有新政府的出版控制者的强迫的官方统治，弥尔顿陷入了外在的政府权力和推理的力量,以及良心的力量的对立，当然，被认为是从内化的统治约束人类行动。

耶鲁公开课 - 弥尔顿课程节选

Scientists have recovered more than one million fossil bones from the La Brea Tar Pits.

VOA: special.2010.04.07

Some houses, like the Laura Pels and Studio 54, don't have orchestra pits.

WSJ: On Broadway, Musicians Are Rising Out of the Pits | By Joanne Kaufman

Many other traders and firms have abandoned the pits for offices and computer screens.

FORBES: Magazine Article

Open pits have become lakes, stockpiles are soaked, and rail lines are submerged and in places destroyed.

FORBES: Australian Floods Cause Drought in the Coal Market