aquifers
含水层
常用释义
英式发音
美式发音
基本释义
- [地质] 含水层
考试频率
四级
考频:近五年出现3次
- n. 蓄水层; 含水土层
六级
考频:近五年出现3次
- n. 蓄水层; 含水土层
例句
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1·These aquifers became saturated more than 10,000 years ago and are no longer being recharged.这些含水层在一万多年前就饱和了,现在不再重新补充水分了。
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2·Sandstones generally make good aquifers, while finer-grained mudstones are typically impermeable.砂岩通常是良好的含水层,而细粒泥岩通常是不透水的。
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3·Water does not remain immobile in an aquifer but can seep out at springs or leak into other aquifers.水在含水层中并不是静止不动的,而是会从泉水中渗出,或渗入其他含水层。
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4·Beneath the Sahara are huge aquifers, basically a sea of fresh water, that's perhaps a million years old filtered through rock layers.撒哈拉沙漠下面是巨大的含水层,基本上是一片淡水的海洋,那可能是经过岩石层过滤的,已经有一百万年历史。
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5·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.地下含水层位于地下1000到3000英尺之间,这意味着抽水成本很高,还有其他接踵而来的问题。
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6·Anyway, it's this fossilized pollen along with the aquifers and the rock paintings, these three things are all evidence that the Sahara was once much greener than it is today.总之,这些花粉化石,还有含水层和岩画,这三样东西都证明了撒哈拉沙漠曾经比现在绿得多。
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7·Although population, industrial output and economic productivity have continued to soar in developed nations, the rate at which people withdraw water from aquifers, rivers and lakes has slowed.尽管发达国家的人口、工业产出和经济生产率还在飙升,但人们从含水层、河流和湖泊取水的速度已经放缓。
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8·Most shallow aquifers in sand and gravel deposits produce lower yields, but they can be rapidly recharged."大多数沙石中较浅的蓄水层贮水量少,但可以迅速再生。
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9·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,深水区的含盐量也比浅水层的含盐量高。
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10·Most limestone and sandstone aquifers are deep and extensive but may contain groundwaters that are not being recharged.大部分的石灰岩和砂岩的蓄水层都是深而广的,但可能含有不可再生的地下水。
网络释义
- confined aquifer : 承压含水层;被封含水层
- unconfined aquifer : 非承压含水层;不受压含水层;无压含水层