我国西南的分散元素矿床。
这名被扣留的男孩来自我国西南的重庆自治区的一个破裂的家庭。
The detained boy comes from a broken family in southwest China's Chongqing Municipality.
我国西南近代地壳抬升区的多层状碳酸盐岩岩组常被河流深切割。
Many multilayered carbonate rocks are deeply cut by rivers at crust newly uplift area in Southwest China.
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