以澳大利亚为例，该国拥有世界最多的铀储量，但只有三口矿井。

Australia, for one, has the world's biggest reserves, but only three mines.

youdao

以澳大利亚为例，该国拥有世界最多的铀储量，但只有三口矿井。

Australia, for one, has the world's biggest reserves, but only three mines.

youdao