Sometimes, amber can be extracted from open pit mines.
有时候能从开放的矿坑找到琥珀。
Open Mine
原声例句
昆虫王国第二季 （原声版）
生活大爆炸 第5季
Why would you open mine? I didn't.That was a lie.
你为什么打开我的? 我没有，我撒谎了。
纽约时报 (New York Times)
Poland's right-wing government has promised to open new coal mines.
波兰的右翼政府也已承诺开设新的煤矿厂。
VOA慢速英语_美国
There are plans to open a huge mine in the area for processing the metal lithium.
该地区有计划要开一个大型矿来加工金属锂。
BBC 听力 2014年4月合集
Vika will go on show in a next exhibition center, a few kilometers from the open Kostolac mine where she was found.
Vika接下来将在一个会展中心展览，距离最初发现她的科斯托拉茨煤矿几千米。
《摩登家庭》第九季
Okay, open -- open mine first.
好 先打开我的。
《金融时报》 Podcast
The FT reported recently the UK is about to open its first coal mine in over 30 years.
英国《金融时报》最近报道称， 英国将在 30 多年来开设第一座煤矿。
VOA Special 2022年8月合集
Constantine Karayannopoulos, the company's chief said that by opening the mine, he hopes to protect the company from fast-moving rare earth prices, which have increased in recent years due to supply problems and strong demand.
该公司首席执行官康斯坦丁·卡拉扬诺普洛斯表示，他希望通过开矿来保护该公司免受稀土价格快速上涨的影响。近年来，由于供应问题和强劲的需求，稀土价格一直在上涨。
经济学人 Science and technology
All of these things have led a number of companies to start seeking to diversify their supplies by opening graphite mines and processing plants elsewhere, particularly in America and Europe.
所有这些都导致许多公司开始寻求通过在其他地方（尤其是美国和欧洲）开设石墨矿和加工厂来实现供应多元化。
英语百科
Open-pit mining
Open-pit, open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.
This form of mining differs from extractive methods that require tunneling into the earth, such as long wall mining. Open-pit mines are used when deposits of commercially useful minerals or rocks are found near the surface; that is, where the overburden (surface material covering the valuable deposit) is relatively thin or the material of interest is structurally unsuitable for tunneling (as would be the case for sand, cinder, and gravel). For minerals that occur deep below the surface—where the overburden is thick or the mineral occurs as veins in hard rock—underground mining methods extract the valued material.
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