Such feedbacks might involve ice on land and sea, clouds, or water vapor, which also absorb radiant heat.
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。
At 430 meters below sea level, the Dead Sea is Earth's lowest point on land.
死海位于海平面以下430米，是地球陆地上的最低点。
These troops have rarely been at the center of the action: in Afghanistan, they stay in the relatively calm north; in Lebanon, they patrol at sea, not on land.
这些部队鲜少处于行动的中心：在阿富汗，他们留驻于相对平静的北方；在黎巴嫩，他们则在海上巡逻，而不是在陆地上。
The legs were certainly functional both on land and at sea.
无论陆地还是海洋，这些腿都能发挥作用。
It was undoubtedly a whale that linked life on land with life at sea.
毫无疑问，这是一种联系着陆地生命和海洋生命的鲸鱼。
Not only are we bring about the extinction of life on a vast scale, we are also making the land, the air and the sea so toxic that the very conditions of life are being destroyed.
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.
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。
Then, on 6 March, they approached the coastline of Antarctica's Ross Sea, looking for a place to land.
然后，在3月6日，他们靠近了南极洲罗斯海的海岸线，找一个可以上岸的地方。
Have you ever heard of the trees that are homes over animals both on land and sea?
你有没有听过有一种树木，它们是陆地动物和海洋生物的家园？
They fought both at sea and on land.
他们在海上和陆上都打过仗。
It was undoubtedly a whale that linked life on land with life at sea.
毫无疑问，是鲸这种动物把陆地上和海洋中的生命联系起来。
On land, where it probably bred and gave birth, Ambulocetus may have moved around very much like a modern sea lion.
它们很可能在陆地上进行生育繁殖，而且，走鲸在陆地上移动时非常像现代海狮。
Even today, microscopic meteorites continually bombard Earth, falling on both land and sea.
即使是现在，微小的陨石仍在不断地撞击地球，然后落到陆地上和大海中。
As in the sea, it seems that on the land one key food chain collapsed: the one with leaves as its basic raw material.
和在海洋中一样，陆地上一个关键食物链，一个以树叶为基本原料的食物链似乎也崩坏了。
Sure enough, these amphibious species show up on the triangular graph approximately half way between the "wet cluster" of sea turtles and the "dry cluster" of land tortoises.
可以肯定的是，这些水陆两栖物种的数据出现在接近三角坐标中间的位置，位于水栖海龟和陆栖乌龟的坐标点之间。
Have you ever heard of the trees that are homes to animals both on land and sea?
你有没有听说过有一类树木是陆地动物和海洋动物的栖息地？
The main problem with algae, whether grown on land or sea, is how to get enough of it.
其实不论是种在海上还是陆地上，海藻最大的问题是如何才能获得足够的量。
Ultimately the decisive battle against maritime piracy is to be won on land, not at sea.
与海上发生的海盗行为的斗争的决定性胜利最终不在海上，而应该是在陆地上。
"Ultimately the decisive battle against maritime piracy is to be won on land, not at sea."
与海上发生的海盗行为的斗争的决定性胜利最终不在海上，而应该是在陆地上。
Since there is such an abundance of food in the sea, it is understandable that some of the efficient, highly adaptable, warm-blooded mammals that evolved on land should have returned to the sea.
既然海洋中有如此丰富的食物，一些原本在陆地生存的高效率的，适应性强的暖血型动物返回海洋生存是不难理解的。
What happened to the two atmospheric plumes? Well, what goes up usually comes down. In this case, in rain. Dropping the compounds on land—or back in the sea.
这两组空气中的漂浮物会如何演绎呢？呵呵，升起的还是会落下来。这样的话，它们会随着雨，降到地上，或者回到海中。
And the data multiplied on the land, in the sea, and in the air.
在陆地上、海里、空中，数据成倍的增加。
These aerosols also influence how much carbon dioxide gets drawn out of the air by plants on land and in the sea.
这些悬浮微粒还影响着海陆植物吸收大气中二氧化碳的程度。
The most important shift, however, is not on land but at sea.
然而最重要的变化不在陆地上，而是在海里。
It has to contend with pirates at sea and armed groups on land.
它们需要在海上与海盗们抗争，而在陆地上又要与武装组织战斗。
Winds are just as likely to be gusty at sea as on land, and just as likely to change direction as not.
海上的风完全可能象陆上的风一样具有阵性，且它在两地改变方向同样频繁。
Winds are just as likely to be gusty at sea as on land, and just as likely to change direction as not.
海上的风完全可能象陆上的风一样具有阵性，且它在两地改变方向同样频繁。
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