Vocab Bloom Hub

opencast

/ˈəʊ.pən.kɑːst/

翻译: 指一种采矿方法,从大型露天矿坑而非地下隧道中开采煤炭或其他矿物。

1 个条目

adjective

/ˈəʊ.pən.kɑːst/C2formalbritishtechnical
  • zh指一种采矿方法,从大型露天矿坑而非地下隧道中开采煤炭或其他矿物。

Relating to a method of mining in which coal or other minerals are extracted from a large open pit rather than from underground tunnels.

  1. Surface miningC1formalbritishtechnical

    Relating to a method of mining where minerals are extracted from the earth's surface rather than from underground tunnels.

    zh露天(开采方式)

    • The company operates an opencast coal mine in the valley.
    • Opencast mining is often more cost-effective than deep mining.
    • Environmental concerns have been raised about opencast operations.

    同义词opencutstripsurface

    反义词buriedcovereddeepsubsurfaceunderground

词形
  • more opencast comparative form
  • most opencast superlative form