gold reef

• 金矿矿脉

gold reef的用法和样例：

例句

1. After years of prospecting, they struck gold veins.
   经过多年勘探之后，他们找到了金矿矿脉。
2. A vein of gold was seen cropping out.
   可以看见一条金矿矿脉露出地面。