[intransitive, transitive] to dig holes in the ground in order to find and obtain coal, diamonds, etc.
挖掘；开采◆Most uranium is mined in Canada, South Africa or Australia.
大多数铀是在加拿大、南非或澳大利亚开采出来的。◆The area has been mined for lead and silver.
这个地区一直开采铅和银。