The Panama Canal joins two oceans.
巴拿马运河连通两大洋。
The Earth's rivers constantly carry dissolved salts into its oceans.
地球上的河流不断地将溶解的盐带入海洋。
One plan to accomplish this is to establish giant floating seaweed farms in the oceans.
实现这一目标的一个计划是在海洋中建立巨大的漂浮海藻养殖场。
In the oceans, you can find starfish and sea horses. They are interesting and beautiful sea animals.
在海洋中，你能看到海星以及海马，它们都是很有趣、很美丽的海洋动物。
Glaciers are part of Earth's hydrologic cycle and are second only to the oceans in the total amount of water contained.
冰川是地球水循环的一部分，其含水量仅次于海洋。
By the end of the century, if not sooner, the world's oceans will be bluer and greener thanks to a warming climate, according to a new study.
据一项新的研究显示，最晚到本世纪末，全球的海洋会因气候变暖而变得更蓝、更绿。
Early life-forms on Earth were confined to the oceans because water was the only available protection they had against ultraviolet radiation.
地球上早期的生命形式被限制在海洋里，因为水是帮助它们抵御紫外线辐射的唯一有效保护。
Some scientists speculate that Mars may have enjoyed an extended early period during which rivers, lakes, and perhaps even oceans adorned its surface.
一些科学家推测，火星在早期很长时间里可能都有以河流、湖泊，甚至海洋装点着它的表面。
Stephanie Dutkiewicz, a scientist in MIT's Center for Global Change Science, built a climate model that projects changes to the oceans throughout the century.
麻省理工学院全球变化科学中心的科学家StephanieDutkiewicz 建立了一个气候模型，预测了整个世纪的海洋变化。
Even setting aside the unproven hints of ancient oceans, the extent of the outflow channels suggests that a huge total volume of water existed on Mars in the past.
即使不考虑未经证实的古代海洋迹象，流出渠道的范围表明，过去火星上存在着大量的水资源。
If you replenish the ice sheets and frozen waters of the high latitudes, more light will be reflected back into space, so reducing the warming of the oceans and atmosphere.
如果高纬度地区的冰原和冻结的水得到补充，更多的光将被反射回太空，从而减缓海洋和大气的变暖。
These factors include the chaotic fluctuations of the atmosphere, the slower but equally erratic behavior of the oceans, changes in the land surfaces, and the extent of ice and snow.
这些因素包括混乱的大气波动、相对较慢但同样不稳定的海洋活动、地表变化，以及冰雪的覆盖范围。
The book is divided into 4 parts, one for each of the Pacific, Atlantic, Indian and Arctic oceans.
该书分为四个部分，分别对应太平洋、大西洋、印度洋和北冰洋。
It swims farther into the cold of the northern and southern oceans than any other sea turtle, and it deals with the chilly waters in a way unique among reptiles.
其他海龟都不能游到它所能游到的寒冷的北部和南部海域，而且它处理寒冷水域的方式在爬行动物中是独一无二的。
He made it a personal goal to clean up the rubbish in the world's oceans.
他把清理世界各地的海洋垃圾作为自己的目标。
Learn how waste in our oceans harms sea life and what you can do about it.
了解海洋中的废物如何危害海洋生物，以及你能做些什么。
He hopes that the oceans will be free of plastic in about twenty or thirty years.
他希望海洋在二三十年后将不再有塑料。
Most of the people were excellent boat makers and they could make boats in a variety of shapes and sizes for travelling along the rivers and in the oceans.
大多数人都是优秀的造船者，他们能制造各种形状和大小的船，以便在河流和海洋中航行。
This idea was modified in the late twentieth century, when geologists and oceanographers examining oceanic sediment found fossil evidence of warming and cooling of the oceans.
在20世纪后期，地质学家和海洋学家在研究海洋沉积物时发现了能够证明海洋变暖和变冷的化石，并修正了这一观点。
The oceans do not so much divide the world as unite it.
与其说是海洋分割这个世界，不如说是统一这个世界。
What keeps you positive about fighting to save the oceans?
是什么让你如此积极的为保护海洋而抗争？
The oceans do not divide the world so much as unite it.
与其说是海洋分割这个世界，不如说是统一这个世界。
But most of all we need to create more protected areas in the oceans.
但我们最需要做的是在海洋中建立更多的保护区。
Who needs space when there remain the unfathomable depths of our own oceans?
当我们有深不可测的海洋时，谁还需要空间？
They are famed for their epic voyages across the world's roughest oceans.
他们是以穿越世界各地的惊涛骇浪的长途旅行而闻名的。
The finding could also explain a mystery of water on Earth —how the oceans got here.
这一发现也可以解释地球上水的奥秘——海洋是如何在地球上形成的。
Water evaporates from the oceans, rains down on the land, pours back to the seas.
海水蒸发形成水蒸气，后成为雨水降落到地面，最终又流回海洋。
They too were aiming to highlight the global issue of plastic pollution in the oceans.
他们也是要唤起全世界对于海洋塑料污染的重视。
The Mediterranean Sea offers a glimpse into one possible future for the world's oceans.
地中海为我们展示了一幅未来世界海洋的画面。
The Mediterranean Sea offers a glimpse into one possible future for the world's oceans.
地中海为我们展示了一幅未来世界海洋的画面。
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