NAmer earth or ore that yields a profit to a miner
chiefly NAmer, informal a useful or remunerative discovery or object
They had hit pay dirt with their latest scheme
| 单词 | pay dirt |
| 释义 | pay dirtnounNAmer earth or ore that yields a profit to a miner chiefly NAmer, informal a useful or remunerative discovery or object They had hit pay dirt with their latest scheme |
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