加利福尼亚的淘金热让许多矿工涌向新发现的金矿区。

The California Gold Rush drew many miners to the newly discovered ___goldfields.

澳大利亚的许多金矿区在19世纪淘金热期间繁荣起来。

Many ___goldfields in Australia flourished during the gold rush of the 19th century.