collieries是什么意思？

collieries

• n. 煤矿( colliery的名词复数 )；

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  (包括地面建筑及相应设备的)煤矿
  A colliery is a coal mine and all the buildings and equipment which are connected with it.