地质学家说，还存在着其他尚未探明的储量，这可能意味着在数千年的时间内，世界都不会用完碳酸钾。
Geologists say that the existence of other, untapped deposits probably means that the world won't run out of potash for thousands of years.
地质学家说，还存在着其他尚未探明的储量，这可能意味着在数千年的时间内，世界都不会用完碳酸钾。
Geologists say that the existence of other, untapped deposits probably means that the world won't run out of potash for thousands of years.
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