四级The team at Stanford investigated the aquifers below this depth, and found that reserves may be triple what was previously thought.
斯坦福大学的研究小组调查了这一深度以下的含水层,发现储量可能是先前所认为的三倍。
2018年12月四级真题(第一套)阅读 Section C
四级The team at Stanford investigated the aquifers(地下蓄水层)below this depth and found that reserves may be triple what was previously thought.
斯坦福大学的研究小组调查了含水层(地下蓄水层)在这个深度以下,发现储量可能是之前认为的三倍。
2018年12月大学英语四级考试真题(第1套)
四级The aquifers range from 1,000 to 3,000 feet below the ground, which means that pumping will be expensive and there are other concerns.
地下蓄水层从1000到3000英尺不等,这意味着抽水成本高昂,还有其他问题。
2018年12月大学英语四级考试真题(第1套)
四级One problem with these sources is that the deep water also has a higher level of salt than shallower aquifers.
这些水源的一个问题是,深水的含盐量也比浅含水层高。
2018年12月大学英语四级考试真题(第1套)
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