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》

Widely used in gravel pits, mining, building materials, transportation, chemical industry, water utilities, concrete mixing stations and other industries in the washing of material.

广泛用于砂石场、矿山、建材、交通、化工、水利水电、混凝土搅拌站等行业中对物料的洗选。

youdao

'I say, let's take our Margate spades and go and dig in the gravel-pits.

NPR: Excerpt: 'Five Children and It'

It was at the gravel-pits.

NPR: Excerpt: 'Five Children and It'

But even with blasting and machinery grinding through the rock day and night, most New Yorkers are blithely unaware of the construction or the eerie underworld that includes a massive, eight-story cavern, miles of tunnels and watery, gravel-filled pits.

NPR: New York Expanding Nation's Biggest Transit Hub