的意思 alluvial gold

1. Alluvial gold is often found in riverbeds and streams.
河床和溪流中经常发现沉积金。

2. Miners use pans and sluice boxes to extract alluvial gold from the earth.
矿工使用平底锅和矿槽提取地下沉积金。

3. The gold rush in California in the 19th century was fueled by the discovery of alluvial gold.
19世纪加利福尼亚的淘金热是由于发现了地下沉积金。

4. Alluvial gold mining can have a significant impact on the environment.
地下沉积金开采对环境有重大影响。

5. Alluvial gold deposits can vary in size and richness.
地下沉积金矿床的大小和丰富程度各不相同。

6. Many small-scale miners rely on alluvial gold mining for their livelihood.
许多小规模矿工依靠地下沉积金开采维持生计。