Pay dirt
01
重大发现, 金矿
a valuable or significant discovery, often resulting in financial gain or success
Dialect
American
American
习语
非正式
语法信息
有生性状态
抽象
形态构成
复合词
不可数
例子
After months of research, the team finally hit pay dirt.
经过数月研究，团队终于取得了重大发现。
02
有利可图的矿石, 赚钱的矿脉
ore that yields a substantial profit to the miner
