渡过汹涌澎湃的大海回到陆地后使人长舒一口气。
It was a great relief to be back on dry land after such a rough crossing.
在地平线上，大片陆地变成一片连绵而暗淡的浅灰色，几乎与天空交融在一起。
At the horizon the land mass becomes a continuous pale neutral grey, almost blending with the sky.
海平面可能会升高，或者陆地可能会下降；不论发生哪种情况，沙丘都将很快消失。
The sea may rise or the land may fall; either way the sand dunes will be gone in a short time.
希腊人热爱海洋；罗马人热爱陆地。
它可以从陆地或海洋转移到大气，反之亦然。
It can move from the land or from the oceans to the atmosphere, and vice versa.
有些假说不能解释同时发生在陆地和海洋的灭绝。
Some hypotheses fail to account for simultaneous extinctions on land and in the seas.
它清楚地显示了龙王鲸是由陆地生物进化而来的。
It clearly shows Basilosaurus's evolution from land creatures.
当空气接近海岸时，陆地会减缓它的速度并使其在此堆积。
When the air gets closer to the shore, it's slowed down by the land and starts to pile up.
这种倾斜创造了对生命进化和多样性如此重要的陆地季节性。
This obliquity creates the terrestrial seasonality so important to the evolution and diversity of life.
当植物开辟土地时，它们面临着陆地环境带来的一系列挑战。
When plants pioneered the land, they faced a range of challenges posed by terrestrial environments.
其他岛屿是通过如火山作用的地质作用形成的，没有陆地生命。
The other islands, which emerged via geological processes such as volcanism, possessed no terrestrial life.
人们用化肥来种植庄稼和植物，很多化肥最终会从陆地流入海洋。
People use fertilizer for their crops and plants and a lot of it eventually makes its way from land into the seas.
巴基鲸可能是通过像陆地哺乳动物一样的耳朵的开口来探测声音。
Pakicetus probably detected sound through the ear opening as in land mammals.
一旦到了那里，熟练的船员就会发现有大量的线索可以追踪到陆地。
Once out there, skilled seafarers would have detected abundant leads to follow to land.
来自陆地的冷空气非常强大，它使附近的海洋成为世界上最狂暴的海洋。
This cold air current from the land is so forceful that it makes the nearby seas the stormiest in the world.
然后过了许多年，含磷丰富的新陆地岩石开始被侵蚀，而且循环还在继续。
Then over many more years, the Phosphorus-rich rocks of the new land begin to erode and the cycle continues.
直到最近才发现的化石，显然是介于陆地哺乳动物和鲸类之间的过渡物种。
Missing until recently were fossils clearly intermediate, or transitional, between land mammals and cetaceans.
这种反馈可能涉及陆地和海洋上的冰、云或水蒸气，这些也会吸收辐射热。
Such feedbacks might involve ice on land and sea, clouds, or water vapor, which also absorb radiant heat.
这些适应机制保证了植物形态多样性的不断增加，以便它们开拓干旱的陆地。
These adaptations allowed an increasing diversity of plant forms to exploit dry land.
我们不能把植物给忘了，没有它们事先入侵陆地，就不会有其他的迁徙发生。
We mustn't forget the plants, without whose prior invasion of the land none of the other migrations could have happened.
探险家罗伊·查普曼·安德鲁斯当时认为，鲸鱼一定是一种返祖的陆地生物。
Explorer Roy Chapman Andrews argued at the time that the whale must be a throwback to a land-living ancestor.
一个近期项目展示了现役狙击手探测系统与“陆地勇士”系统先导显示器的集成。
One recent project demonstrated the integration of existing sniper detection systems into the Land Warrior system's leader display.
这是一条长吻鄂，可能是地球上有史以来最大的陆地食肉动物，比霸王龙还要大。
It's a gharial, perhaps the largest terrestrial carnivore ever to walk the earth, larger than T-Rex.
叉角羚与羚羊虽无亲缘关系，但却形似羚羊，它是新大陆速度最快的陆地哺乳动物。
The pronghorn, which resembles an antelope, though they are unrelated, is the fastest land mammal of the New World.
数百万年后，强大的地质力量，比如海底火山，会掀起海洋沉积物，形成新的陆地。
After millions of years, powerful geological forces, like underwater volcanoes lift up the ocean sediments to form new land.
有了一流的空中、海上和陆地交通系统，我们就能够以低廉的费用访问彼此的国家。
Superb systems of communication by air, sea and land make it possible for us to visit each other's countries at a moderate cost.
最终，它们再一次回到陆地，进化成为陆龟，其中的一些现在生活在非常干旱的沙漠中。
Finally they returned yet again to the land as tortoises, some of which now live in the driest of deserts.
虽然大多数化石是在海洋沉积岩中发现的，但它们也存在于河流和湖泊所留下的陆地沉积物中。
Although most fossils are found in marine sedimentary rocks, they also are found in terrestrial deposits left by streams and lakes.
但是这个地方的其他方面因素，比如陆地的海拔、附近的植被等等，都对当地的小气候有实质影响。
But other aspects of the location like the elevation of the land, the plant life nearby, and so on, have a substantial effect on microclimates.
我们不仅使生物大规模灭绝，还令陆地、空气和海洋含有巨大毒性，从而使生物的生存条件遭到破坏。
Not only are we bringing about the extinction of life on a vast scale, we are also making the land and the air and the sea so toxic that the very conditions of life are being destroyed.
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