open pit

基本解釋

One can hardly discern the bottom of the open pit.
難分辨的是開(kāi)放凹坑的底部。
Marvellous still lake in an open pit, color of the water is amazing.
在一個(gè)露天的採(cǎi)石場(chǎng)裡有一片神奇的湖水，無(wú)比平靜。水的顔色令人驚豔不已。
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.
露天鑛坑周圍是一些開(kāi)挖尾料的堆棄池和廢鑛垃圾場(chǎng)。儲(chǔ)存在這些地方的廢棄鑛石，稍後經(jīng)過(guò)過(guò)濾可以深入提取其中的金屬。

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.
FORBES: Canada Lithium on Target For 2013 Production; To Be First Canadian Lithium Producer

An open pit is a mine where the coal, metal, or minerals are near the surface and underground passages are not needed.