相比之下，干燥的土壤是沙质和多孔的，其粗糙的质地允许了水分的迅速流失。
By contrast, dry soils are sandy and porous, their coarse textures permitting water to drain rapidly.
它是由表面张力的力量保持的，没有它，水会立即从任何潮湿的表面流失，使它完全干燥。
It is held there by the force of surface tension without which water would drain instantly from any wet surface, leaving it totally dry.
内源河流通常不会流入大海，而是流入内陆盆地；在那里，水会蒸发或流失到地下。
Endogenous rivers often do not reach the sea but drain into inland basins, where the water evaporates or is lost in the ground.
赫胥黎推测，一层毛发可以隔离身体热量的流失，并可能使身体呈现流线型，以减少飞行中的阻力。
Huxley speculated that a coat of hair would insulate against loss of body heat and might streamline the body to reduce drag in flight.
头部的血管收紧以阻止身体热量的流失，然后放松让血液流动起来，血液的突然涌入是引起头痛的原因。
Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise; that sudden rush of blood is what causes the headache.
农民越来越多地租用他们耕种的土地，这可能意味着他们会更少了解面临水土流失风险的地区。
Farmers increasingly rent the land they cultivate, which can mean they are less familiar with areas at risk for erosion.
一些人将公共教育体系的衰退简单粗暴地归因于私立学校技能型学生的流失，但更重要的因素仍在发挥其影响。
Some simplistically attribute the decline in our public education system to the drain of skilled students by private schools, but far more significant events were at work.
尽管人们普遍对贸易感到担忧，但最近的一份报告显示，制造业中只有13%的工作岗位流失是贸易造成的，其余则是技术进步造成的。
Despite the widespread fears about trade, a recent report showed that just 13 percent of jobs lost in manufacturing are due to trade—the rest of the losses have been due to advances in technology.
此外，这一数字并没有反映出一个事实，即大量的土地、能源、化肥和水也在食品生产过程中流失了，而这些食品最终只是被浪费掉了。
Furthermore, this figure does not reflect the fact that large amounts of land, energy, fertilisers and water have also been lost in the production of foodstuffs which simply end up as waste.
"因此，人们认为充满水分的岩石样本的总含水量既包括可能会渐渐流失的水分，也包括不会流失的水分。
The total volume of water in the saturated sample must therefore be thought of as consisting of water that can, and water that cannot drain away.
另一个假设的与人类有关的原因是化肥流失。
Another hypothesized human-related cause is fertilizer runoff.
然而，欧洲人带来的绵羊、马、山羊和猪却有着坚硬的蹄子，这压紧了稀薄的土壤并导致了水土流失。
The sheep, horses, goats and pigs brought by Europeans, however, have hard hooves, which compress the thin soil and cause erosion.
该公司通过自然流失及减少招聘缩减了员工数量。
The company cut its workforce through natural attrition and fewer hirings.
工作条件欠佳导致各校大量合格教师不断流失。
Poor working conditions have led to a steady haemorrhage of qualified teachers from our schools.
事实上，虽然一些制造业的工作岗位因外国竞争而流失，但更多的工作岗位只是因为对制成品的需求增长缓慢而流失。
In fact, while some manufacturing jobs have been lost due to foreign competition, many more have been lost simply because of slow growth in demand for manufactured goods.
随着土壤的流失，它会下降，形成一个尘土山，一个土丘。
As the soil is shed, it drops down and forms a little hill of dirt, a mound.
养分和矿物质容易从沙质土壤中流失，因此沙质土壤往往较为贫瘠。
Sandy soils are prone to the leaching of nutrients and minerals and so tend to be nutritionally poor.
除非我们保持警惕，否则当机会在手中时，我们很容易意识不到它，也很容易让它流失。
Unless we are vigilant, it's easy to fail to realize an opportunity when it is in hand and it's just as easy to throw it away.
这可能意味着入学人数的减少，但考虑到今天的流失率，毕业生的数量不必下降。
This may mean smaller enrollments, but given today's attrition rates, the number of graduates need not drop.
去年，加拿大安大略布鲁克大学的格伦·塔特索尔发现，托哥巨嘴鸟身体中高达60%的体温都会通过其喙部流失。
Last year Glenn Tattersall of Brock University in Ontario, Canada, found the toco toucan loses up to 60 per cent of its body heat through its beak.
然而，哈克纳特发现，该项目的毕业生流失率非常高，许多人在完成项目后不久就离开哈克纳特，然后加入了其竞争对手的公司。
Hachnut has found, however, that the attrition rate of graduates from this program is very high, with many of them leaving Hachnut to join competing firms soon after completing the program.
每当我们运动或上厕所时，我们的身体就会流失水分。
Our body loses water whenever we exercise or go to the toilet.
锻炼身体以尽可能少地流失水分，这是很有趣的。
It's fun to workout away to lose as little water as possible.
由于大学教育水平明显下降，本科生的流失尤其令人吃惊。
The attrition among undergraduates is particularly surprising because college standards have apparently fallen.
过去十年里，气候变化引起的海冰流失和北极冰融化现象不断加剧。
The sea ice loss and the Arctic ice melting (融化) caused by climate change have increased much in the last ten years.
工作岗位的流失将许多人推向贫困。
The loss of those jobs contributed to pushing many into poverty.
没有了树木，海地土壤流失，重创了当地农业。
Without trees, Haiti lost its topsoil through erosion, crippling agriculture.
沃尔顿称，公司已经开始行动，阻止客户的流失。
The company has begun to stem its loss of customers, says Walden.
这种树可以减少水分流失和土壤侵蚀。
这表明，它预计其资源会大量流失。
This suggests that it expects a significant drain on its resources.
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