open pit

基本解释

One can hardly discern the bottom of the open pit.
难分辨的是开放凹坑的底部。
Marvellous still lake in an open pit, color of the water is amazing.
在一个露天的采石场里有一片神奇的湖水，无比平静。水的颜色令人惊艳不已。
The open pit areas are surrounded by an array of sculpted tailings ponds and mine dump areas; these receive mine waste rock for storage and later leaching for further recovery of metals.
露天矿坑周围是一些开挖尾料的堆弃池和废矿垃圾场。储存在这些地方的废弃矿石，稍后经过过滤可以深入提取其中的金属。

Encina said Codelco is working to convert one of its biggest mines, Chuquicamata, from open pit to underground.
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Besides its open pit mine located in Northern Quebec, there is a growing lithium battery industry growing in Montreal.
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Along with strong financial backing, the Quebec Lithium open pit mine is on schedule in terms of commissioning and construction.
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An open pit is a mine where the coal, metal, or minerals are near the surface and underground passages are not needed.