New words:

mine [maɪn]
n.矿;矿井;地雷;水雷
v.采矿;布雷;埋雷于;用雷炸毁(车辆)

mining [ˈmaɪnɪŋ] n. 采矿;采矿业


Sample Sentences:

Mining is one of the country's main industries.
The engine is used for pumping water out of the mine.
Mining would pollute the lake and denude the forest.
The mines had first been worked in 1849, when gold was discovered in California.


denude [dɪˈnjuːd] v.剥光;使裸露;使光秃

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