Mining expense
[经] 采矿费用
🧩 词语组成解析
mining
['mainiŋ]
n. 采矿（业）;
v. 在…中开采，开采(mine的现在分词);在…中[下]布雷;以地雷[水雷]炸毁;
🗣️ 情景例句
In about 30 minutes.
大约半小时后。
The industrial area is centered largely in the north.
大部分工业区域集中在北方。
What happened next?
跟着发生了什么事？