他补充说，新研究所要表明的是，“地下水枯竭是一个全球性问题。
What the new study suggests, he added, “is that groundwater depletion is a global problem.
今天的话题是地下水资源枯竭及其对全球粮食生产的影响。
Today - groundwater depletion and how it's affecting global food production.
因为地下水的枯竭，孟菲斯市已经支付了一亿美元的针对密西西比河流量下降的诉讼。
Mississippi has filed a $1-billion lawsuit against the City of Memphis because of declining groundwater.
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