Since then there has occurred complex land sea interaction between the Yangtze River, Yellow River, Luanhe River and transgressions caused by the eustatic changes.
自此以后，长江、黄河及滦河与全球海洋水圈变化引起的海侵发生了复杂的陆海相互作用。
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。
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。
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？
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 land varies in height from 700 meters above sea level to over 2,000 meters and is home to a great diversity of rare plants and animals.
这片土地的高度从海拔700米到2000多米不等，是多种珍稀动植物的家园。
The sea may rise or the land may fall; either way the sand dunes will be gone in a short time.
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。
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？
Superb systems of communication by air, sea and land make it possible for us to visit each other's countries at a moderate cost.
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。
The Greeks were wedded to the sea; the Romans, to the land.
希腊人热爱海洋；罗马人热爱陆地。
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。
Whatever the reason for mountain formation, as soon as land rises above sea level it is subjected to destructive forces.
不管形成山脉的原因是什么，一旦陆地上升到海平面以上，它就会受到毁灭性的力量的影响。
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。
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。
Some traders traveled over land and others sailed across the sea.
一些商人选择陆路，而另一些则选择横渡大海。
Centuries later, in the years of Tang, Song and Yuan Dynasties, such silk routes, both over land and at sea, great adventurers, including Du Huan of China, Marco Polo of Italy, left their footprints along these ancient routes.
几个世纪后的唐宋元时期，中国的杜环、意大利的马可·波罗等伟大冒险家在海上和陆上的古老丝绸之路上留下了足迹。
Land that was once at the bottom of the sea now lies around the town in wide, fertile fields; where crabs once crawled, donkeys pick their way.
曾经是海底的陆地现在成了城镇周围广阔肥沃的田野；这里曾经有过螃蟹爬行，现在则有驴子择路而行。
"We operate in five domains: air, land, sea, outer space and cyberspace," says Dan Kuehl, a professor of information operations at the National Defence University in Washington.
“我们在五大领域作战：水、陆、空、外太空和网络空间。” 华盛顿国防大学的信息作战教授丹屈尔说，“我们的工作越来越依靠网络空间；
"Robotics are all over land, sea and air," said DiDio. "Microsoft has a large robotics research program."
迪迪奥(DiDio)表示：“从陆地到海洋，再到天空，机器人技术得到了广泛的使用，微软有着非常庞大的机器人研究计划。”
International points of entry, whether by land, sea or air, provide an opportunity to apply health measures to prevent international spread of disease.
国际入境口岸，不论是陆路、海港还是空港，均有机会采取卫生措施以预防疾病的国际传播。
It is no exaggeration to say that outer space would become the fourth battlefield after land, sea and air should we sit on our hands watching the above developments.
倘若我们对此听之任之，毫不夸张地说，外空将成为继陆、海、空之后的第四个战场。
A report by the UN Environment Programme said oil spills had contaminated land, sea and air to such an extent that it seriously threatened public health in some areas.
一份联合国环境规划署的报告称，石油泄漏严重污染了土地，海洋和空气，在某些地区甚至威胁到公众健康。
A report by the UN Environment Programme said oil spills had contaminated land, sea and air to such an extent that it seriously threatened public health in some areas.
一份联合国环境规划署的报告称，石油泄漏严重污染了土地，海洋和空气，在某些地区甚至威胁到公众健康。
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