"On average, they consume about eight percent of our mean annual run-off," he says. "they pose large risks of fire, flood and of course, famine."

“它们平均每年消耗掉我国约8%的有限年径流量，”他说：“它们带来了很大的火险、洪水以及饥荒隐患。”

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"On average, they consume about eight percent of our mean annual run-off," he says. "they pose large risks of fire, flood and of course, famine."

“它们平均每年消耗掉我国约8%的有限年径流量，”他说：“它们带来了很大的火险、洪水以及饥荒隐患。”

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