permafrost信息详情
n.多年冻土；永久冻结带；永久冰冻
spermaceti wax───鲸蜡
spermatocyte───n.[细胞]精母细胞
permanent press───n.免烫
spermatic mass───精索团
spermaceti organ───精子器
antimonic permanganate───高锰酸钾
supermarket chains───连锁超市
permanent magnet───n.永久磁铁
spermatozoa───n.精子
spermary kick───睾丸踢
Beneath this active layer is a second layer called "permafrost", which is frozen all year around, and is impermeable to water.───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。
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。
There're two reasons for this: first, they live in the active layer, which, remember, contains water that doesn't penetrate the permafrost.───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。
Permafrost is basically dirt that's been permanently frozen for hundreds or thousands of years, much of it since the last ice age.───永久冻土层基本上是已经被持久冻结数百或数千年的泥土，其中大部分是自上一次冰河时期。
How much methane and carbon dioxide might be released from the rotting permafrost?───一个腐烂的永久冻土层将释放出多少甲烷和二氧化碳？
"There's quite a bit of truth in it, " Julian Murton, member of the International Permafrost Association, told Reuters.───“这里面有相当多的真理，”国际冻土协会委员朱利安默顿告诉路透社记者。
What was unusual about this was that Torrington had been dead for 138 years, buried under 1. 8 meters of Arctic permafrost.───非同寻常的是托林通早在一百三十八年前就死了，葬于北极1.8米深的永久冰土下面。
As a high-effective heat conduction set, thermal probe can be used for enhanced thermal stability of building basement in permafrost .───热棒是传热效率很高的热导装置，适合于增强青藏高原多年冻土区建筑物地基的热稳定性。
Vegetation coverage directly involved in and influences the active layer of permafrost alpine hydrological cycle and its evolution trend.───地表植被覆盖直接参与和影响着高寒草甸冻土活动层的水文循环过程及其演变趋势。
The permafrost is thawing now.
Very important to know, because suppose you got permafrost under your concrete slab?
Florence in permafrost Cold pinches the hills around Florence.
Permafrost restricts drainage; melt-water can not sink into the ground and in summer the thin active layer soon becomes waterlogged.
The region is characterized by permafrost, and smectite and kaolinite are the common authigenic clay minerals in the soils.
As permafrost gets warmer, it could become wetlands.
Water extraction from permafrost by distillation seems rather straight forward.
Fulton lay on the permafrost, miming a cerebral haemorrhage.
Permafrost line runs right through middle, I think.