死海位于海平面以下430米，是地球陆地上的最低点。
At 430 meters below sea level, the Dead Sea is Earth's lowest point on land.
贸易似乎有诸多可能性，颇有前景，但维持陆地上的传统路线就根本没有希望了。
Possibilities for trade seemed promising, but no hope existed for maintaining the traditional routes over land.
除了他们增加了一些既生活在水中又生活在陆地上的物种外，物种之间没有重叠。
There was no overlap, except when they added some species that spend time both in water and on land.
当我们回到陆地上的时候，我想我从来没有感到这么冷过。
I don't think I have ever felt so cold by the time we got back to dry land.
水上运动就像陆地上的运动，但你是在游泳池里做这个的。
Aquatic exercise is like exercise on land, but you do it in a swimming pool.
陆地上的大多数动物我们都知道，但水下的许多生物却不为人所知。
Most animals on land are known to us, but many living things underwater are not.
这种细长蜿蜒的身体能让陆地上的蛇在茂密的草丛中爬行，也能让水蛇在水中游动。
The elongated, serpentine body that allows land snakes to slither through dense grass also serves aquatic snakes in propelling through the water.
发现鲸和海豚身上有后肢；这种稀有的现象是由于它们在陆地上的祖先身上的特征再次被遗传。
Whales and dolphins have been found with hind limbs; this rare occurrence is due to the reemergence of a trait they inherited from their terrestrial ancestors.
生物学家们长期认为，两类鳍脚亚目动物，即海狮和海象，都是从一种陆地上的类似于熊的动物繁衍而来的。
Biologists have long maintained that two groups of pinnipeds, sea lions and walruses, are descended from response to similar environmental pressures.
他们中一些人利用了一种叫石质独木舟的石头结构，当然，这些独木舟是陆地上的，现在仍然可以在一些岛屿上看到它们。
Some of them utilized stone structures called stone canoes, and these canoes were on land, of course, and you can still see them on some islands today.
鸭嘴兽在陆地上的行动有点笨拙。
同时，陆地上的主要威胁来自于水力发电。
杀光浮游植物就和把陆地上的草全拔了一样。
Killing off phytoplankton would be like removing all grass from land.
其次，大量陆地上的矿床仍然需要开采。
Second, plenty of land-based deposits still remain to be exploited.
和陆地上的河流非常相似，它从海底大陆架流向深海平原。
It flows down the sea shelf and out into the abyssal plain much like a river on land.
雷兹诺发电机利用波浪能将海水送进陆地上的液压发电机。
The Reynolds motor planned to use wave power to push water up to a hydraulic generator on land.
对陆地上的我们来说，水手引领着精彩甚至神秘的生活。
Sailors seem — to those of us on land — to lead exciting, even mysterious lives.
虽然腿不能支撑龙王鲸在陆地上的体重，但是尚未完全退化。
Though unable to support a Basilosaurus's weight on land, these legs weren't completely vestigial.
这明确标志着正是在这几千年中，发生了陆地上的大规模灭绝。
This marks precisely—to within a few thousand years—the point of mass extinction on the land.
然而，陆地上的冰川、冰盖和极地冰盾的融化有更大的潜在力量。
The melting of glaciers, ice caps and polar ice sheets on land, however, has the potential to account for much more.
科学家声称在阿根廷发现了曾生活在陆地上的最古老的植物的化石。
Fossils of the oldest plants ever to colonise land have been discovered in Argentina, scientists claim.
水里的游鱼是沉默的，陆地上的兽类是喧闹的，空中的飞鸟是歌唱着的。
The fish in the water is silent, the animal on the earth is noisy, the bird in the air is singing.
水里的游鱼是沉默的，陆地上的兽类是喧闹的，空中的飞鸟是歌唱着的。
The fish in the water is silent, the animal on the earth is noisy.
海平面上升有望是全球变暖的一个结果，因为陆地上的冰融化，流向海洋的结果。
Sea level rise is expected to be one result of global warming as ice on land melts and flows toward the world's oceans.
这条海底河流很多地方深达115英尺，甚至还有着和它陆地上的同类们非常相似的湍流和落瀑。
The undersea river, which is up to 115ft deep in places, even has rapids and waterfalls much like its terrestrial equivalents.
他们的后裔逐渐提升了肺功能，鱼鳍进化为腿，下颌关节突生，以便提高陆地上的听觉。
Its descendants gradually improved the function of their primitive lungs, morphed their lobe fins into legs, and jury-rigged their jaw joints to hear in the air instead of water.
他们的后裔逐渐提升了肺功能，鱼鳍进化为腿，下颌关节突生，以便提高陆地上的听觉。
Its descendants gradually improved the function of their primitive lungs, morphed their lobe fins into legs, and jury-rigged their jaw joints to hear in the air instead of water.
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