| 释义 |
opencast
UK ['əʊ.pən.kɑ:st] US ['oʊ.pən.kæst] UK (US open-cut)
adjective
■describes a place where minerals, especially coal, are taken from the surface of the ground rather than from passages dug under it, or relating to this way of getting minerals （尤指煤）露天的，露天开采的•opencast mine/mining露天矿场／采矿 |