| 单词 | pay dirt |
| 释义 | pay dirt pay dirt n: figurative, informal ([sth] lucrative) SC 有利可图的事物，有价值的发现 yǒu lì kě tú de shì wù，yǒu jià zhí de fā xiàn He knew he hit pay dirt when he was offered $100,000 for his story. pay dirt n: (ore that is profitable for mining) SC 贵金属砂土 guì jīn shǔ shā tǔ |
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