permafrost
永久冻土
常用释义
英音[ ˈpɜːməfrɒst ]
美音[ ˈpɜːrməfrɔːst ]
基本释义
- n. 多年冻土;永久冻结带;永久冰冻
例句
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1·Their roots don't grow very deep, so the permafrost doesn't interfere with their growth.它们的根长得不深,所以永久冻土不会影响它们的生长。
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2·Beneath this active layer is a second layer called "permafrost", which is frozen all year around, and is impermeable to water.在这一活跃层下面,是被称为“多年冻土”的第二层,终年冻结,不透水。
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3·There're two reasons for this: first, they live in the active layer, which, remember, contains water that doesn't penetrate the permafrost.造成这种情况的原因有两个:首先,它们生活在活动层中,请记住,活动层中包含的水不会渗透永久冻土。
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4·Geologists think that this fluidized ejecta crater indicates that a layer of permafrost, or water ice, lies just a few meters under the surface.地质学家认为,这个具有流体化喷出物的陨石坑表明,在地表下几米深处有一层永久冻土层或水冰。
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5·The answer may be that virtually all the water on Mars is now locked in the permafrost layer under the surface, with more contained in the planet's polar caps.答案可能是,现在火星上几乎所有的水都被锁在地表下的永久冻土层中,更多的水被包含在这个星球的极地冰帽中。
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6·It is practically all ice -permafrost - and it is thawing.几乎到处是冰——永冻土层——现在都在融化。
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7·On the beach there is a jagged layer of thawing permafrost.海滩上,有一个不规则的正在融化的永久冻土层。
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8·Permafrost Photo: Dentren at en.wikipedia / cc – by – sa 3.0多年冻土图片:Dentren at en.wikipedia / cc – by – sa 3.0
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9·Permafrost warms up, and infrastructure built on it founders.永久冻土温度上升,在此基础上修建基础设施。
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10·An example of a tipping point is the thawing of the permafrost.“气候引爆点”的一个例子就是永久冻土层的融化。
网络释义
- permafrost table : [地质]永冻土面
同根词
词根:
permanent
permanent
adj
永久的,永恒的;不变的
permanently
adv
永久地,长期不变地
permanent
n
烫发(等于permanent wave)
permanence
n
持久;永久
permanency
n
永久;耐久性;永久的事物