earth that contains valuable minerals or metal such as gold (含贵重矿物或金属的)矿石,矿砂
Idioms
hit/strike pay dirt
- (informal)
to suddenly be in a successful situation, especially one that makes you rich 骤然成功;暴富 The band really hit pay dirt with their last album. 这个乐队的上一张专辑确实很畅销。