How does Roman know whales poop at the surface?
罗曼怎么知道鲸鱼在水面排便？
There it remains, sometimes for long periods, before emerging at the surface again.
在那里，地下水在重新涌出地表之前，往往可以保存很长一段时间。
His plan is to establish giant "forests" of kelp seaweed (a type of algae) at the surface of the ocean.
他的计划是在海面上建立一种巨大的巨藻（一种海藻）“森林”。
During the pupa stage, they do not eat foods but do sit at the surface and breathe air through two small tubes.
在蛹阶段，它们不吃食物，但在水面游动时会靠两个细小的管道呼吸空气。
A leatherback may be able to pick up some body heat by basking at the surface; its dark, almost black body color may help it to absorb solar radiation.
棱皮龟可以通过在水面上晒太阳来为身体获取热量；深色近乎黑色的身体颜色可以帮助它吸收太阳辐射。
So, to draw the graph we look at the surface in space defined by z equals -y.
为了画出图像,观察由z=-y所定义的空间中的曲面。
All this material is stored in cheek pouches and, at the surface, mashed for consumption.
所有这些物质都储存在颊囊里，在其表面粉碎消化。
It's actually a good thing that it stays for a while at the surface so that I can get ready.
还好它在表面，停留一段时间，这样才方便我计时。
The analyzed low-pressure center at the surface was located ~8 km east of the mesocyclone.
所分析的地面低压中心位于中（尺度）气旋之东约8公里处。
The other way is called a supercapacitor. This stores energy only at the surface of the electrode.
另一种方法称为超级电容，它只使用电极的表面储存电能。
When is has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。
This effect explains why a straw in a glass of water appears to bend at the surface of the water.
这种作用解释了为什么看起来玻璃杯中的吸管在水面处弯曲。
Exposure also comes from breathing air at the surface of the water, where chemicals become volatile.
呼吸水面的空气也能接触到氯，因为这种化学物质在水里具有挥发性。
Shallow ones (above 20km), whose full crust-displacing force is felt at the surface, are the danger.
二是浅震（20km以上），由于地表震感强烈，因此也更危险。
The layers are exposed at the surface on plains that would be easy for the rover to land on and navigate.
另外，马沃斯山谷的表层暴露在平原的表面，探测器易于着陆和导航。
What might seem boring at the surface may actually be interesting if you just dig a little bit deeper.
只要你能真的沉入进去，表面看起来无聊的事物实际上十分有趣。
The electrons knocked free at the surface of the cell, however, were not being carried away in this manner.
然而，电池表面的自由电子无法通过这种方式成为电流传出。
"And we were following the whales and collecting feces whenever there was poop at the surface," he says.
“无论鲸鱼何时在海面排便，我们都跟着它，并收集其粪便，”他说。
During the pupa stage, they do not eat, but do sit at the surface and breath air through two small tubes.
在蛹阶段，不会摄取食物，但在水面游动时会摄取，靠两个细小的呼吸角呼吸。
Each cable is equipped with another four sensors at the surface, which together make up one IceCube array.
每束电缆还装备了另外四个置于冰面的传感器，这些传感器组合在一起形成了一个冰立方阵列。
The ultimate time warp is at the surface of a black hole, where in a sense time stands still relative to our time.
最终极的时间扭曲发生在黑洞的表面，在那里从某种意义上说时间仍是我们的时间。
At the surface, on the level of what can be seen and felt in the physical world, my coming created much commotion.
表面上，在物质世界可观可感的层面，我的到来引起了极大的震动。
If so, the 45,000 gallons so far sprayed at depth may have done more good than all the spraying at the surface.
如果真是如此的话，相比起所有在海面喷洒的分散剂，那些45000加仑喷洒在深海的分散剂要有效得多。
It is estimated that less than five percent of the organic matter produced at the surface reaches the abyssal plains.
据估计，来自海面的有机物质到达海底时其营养物质剩余不到5%。
This pattern is consistent with the passing of a cold weather front bearing a strong area of low pressure at the surface.
沙尘暴的这种分布型式与地面冷锋造成的强低压区相一致。
Excess water at the surface is siphoned down to replenish ground water, which is then pumped back up for use as necessary.
地表多余的水被虹吸下去，用于补充地下水，然后地下水被重新抽上来用于必要的用途。
In fact, since the lighting is exactly the same, there is no difference if you look at the surface details from the front!
事实上，由于光照完全是一样的，如果从这前方看，两者的表面应该是一模一样的。
During the course of a freezing season, sea ice may form at the surface up to thickness of 2 meters at the high latitudes.
在严寒季节，在高纬度可在海面形成厚度达2米的海冰。
For years, ripples at the surface of the Dead Sea hinted there was something mysterious going on beneath its salt-laden waters.
几年以来，死海表面的涟漪暗示了它富含盐分的水下正在发生着一些神奇的事情。
When the canal was constructed it measured 8 metres deep, 22 metres wide at the bottom and about 70 metres wide at the surface.
当运河刚建成的时候只有规定的8米深，底部22米宽，河表面只有70米宽。
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