Definition
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矿井
kuàng jǐng
矿井是指开采矿石、煤炭等资源的地下通道或场所。
A mine is an underground passage or place where minerals, coal, and other resources are extracted.
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这座矿井已经运营了超过三十年。
zhè zuò kuàng jǐng yǐ jīng yùn yíng le chāo guò sān shí nián.
This mine has been in operation for over thirty years.
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矿井的安全检查非常重要。
kuàng jǐng de ān quán jiǎn chá fēi cháng zhòng yào.
Safety inspections of the mine are very important.
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他们在矿井里发现了一些珍贵的矿石。
tā men zài kuàng jǐng lǐ fā xiàn le yī xiē zhēn guì de kuàng shí.
They found some precious minerals in the mine.