In 1664 Hooke observed a reddish spot on the surface of the planet.
1664年，胡克观察到了那颗行星表面的一个微红的斑点。
Two electrodes that measure changes in the body's surface moisture are attached to the palms of your hands.
测量体表湿度变化的两个电极被连接到你的双掌上。
Once in the bloodstream, the bacteria adhere to the surface of the red cells.
细菌一进入血液里，就附着在红细胞表面上。
On the surface, it appears little has changed in the Arab world.
表面上，似乎阿拉伯世界没有什么变化。
The paint will cover any irregularity in the surface of the walls.
油漆会遮盖住墙壁上任何不平整的地方。
In some cases, the water table reaches Earth's surface, where it is expressed as rivers, lakes and marshes.
在某些情况下，地下水位到达地球表面，在那里以河流、湖泊和沼泽的形式表现出来。
Complex life evolved on the Earth's surface, but not on Mars or other planets in the solar system because on those planets, early surface life was killed by UV radiation.
复杂的生命在地球表面进化，而不是在火星或太阳系的其他行星上，因为在那些行星上，早期的地表生命被紫外线杀死了。
Groundwater commonly collects in stream drainages but may remain entirely beneath the surface of dry stream-beds in arid regions.
地下水通常聚集在河流流域，但在干旱地区，地下水也可能完全保留在干涸河床的表面之下。
The formation of sea ice causes the concentration of salt in surface waters to increase; less sea ice would mean a smaller increase in the concentration of salt.
海冰的形成导致表水中盐的浓度增加；海冰的减少意味着盐浓度的增加幅度较小。
The color changes are executed by two different kinds of cells in the octopus' skin, mainly by color cells on the skin's surface call chromatophores.
颜色的变化是由章鱼皮肤上的两种不同的细胞造成的，主要是皮肤表面的色素细胞。
El Nino, Spanish for "the child", occurs when surface ocean waters in the southern Pacific become abnormally warm.
“ElNino（厄尔尼诺）”在西班牙语中是“孩子”的意思，当南太平洋表层海水异常变暖时，会出现厄尔尼诺现象。
The nutrients are deep down in the active layer anyway, not high up near the surface, which is the part of the active layer most affected by run-off.
不管怎样，营养物质存在于活性层深处而不是在表层附近，活性层受径流影响最大的地方。
Luna 16 landed on the lunar surface (in total darkness, no less), collected moon rocks, packed them up, and returned them to Earth.
“月球16号”降落在月球表面(完全是在黑暗中)，收集了月球岩石，打包，然后带回地球。
We wanted to know if the length of time food is in contact with a contaminated surface affected the rate of transfer of bacteria to the food.
我们想知道食物与被污染的表面接触的时间长短是否会影响细菌转移到食物上的速度。
You should clean every room, every surface, and every closet in the house.
你应该清理房子里的每个房间、每个表面以及每个壁橱。
Deserts contain large amounts of groundwater when compared to the amounts they hold in surface stores such as lakes and rivers.
与湖泊、河流等地表储存的地下水相比，沙漠中含有大量的地下水。
Something in addition to the iron on Earth's surface must have absorbed much of the oxygen produced by plant life.
除了地球表面的铁以外，一定有什么东西吸收了植物产生的大量氧气。
When a reservoir is sufficiently large, a sphere of this hot rock forces its way up through the upper mantle to Earth's surface, creating a broad bulge in the topography.
当储层足够大时，这种炽热岩石的一个球体强行通过上地幔上升到地球表面，在地形上形成一个宽阔的隆起。
Because when you're up on that point, you see anything that's in the water and anything close to the surface.
因为当你在那里的时候，你可以看到水里的任何东西和贴近水面的一切。
In this method of farming seeds and fertilizer are put into the soil through small cuts made in the surface of the ground.
在这种耕作方法中，种子和肥料是通过地面上的小切口进入土壤的。
The rocks left long moving tracks behind in the mud surface.
岩石在泥浆表面留下了长长的移动痕迹。
One of the most interesting features on the surface is, in fact, the shield volcanoes.
地球表面最有趣的特征之一就是盾状火山。
At the Earth's surface, these tempests can be detected by changes in the strength of the Earth's magnetic field.
在地球表面，可以通过改变地球磁场强度来检测这些风暴。
In certain areas, mainly near airports, controlled airspace extends down to 215m above the ground, and, in the immediate vicinity of an airport, all the way down to the surface.
在某些区域（主要是机场附近），受管制的空域一直延伸到距地面215米之上，而且在紧邻机场的区域，控制区域一直延伸到地表。
Plate movements are the surface expressions of motions in the mantle—the thick shell of rock that lies between Earth's crust and its metallic core.
板块运动是地幔运动的表面现象。地幔是位于地壳和金属内核之间的一层厚厚的岩石壳。
The heaters have water-filled steel tubes that zigzag in front of a reflective surface, which concentrates the sun's rays on the tubes.
这种加热器装有充满水的钢管，在反射面前头曲折布置，反射面将太阳光聚焦在钢管上。
The answer may be that virtually all the water on Mars is now locked in the permafrost layer under the surface, with more contained in the planet's polar caps.
答案可能是，现在火星上几乎所有的水都被锁在地表下的永久冻土层中，更多的水被包含在这个星球的极地冰帽中。
Hydrothermal vents are cracks in the Earth's surface that occur, the ones we are talking about here are found deep at the bottom of the ocean.
深海热泉是地球表面出现的裂缝，我们在这里提到的裂缝是在海底深处发现的。
The surface formed mostly in the last billion years, which makes it fresher and more recently active than any rocky planet other than earth.
它的表面大部分是在过去十亿年里形成的，使得它比地球以外的任何岩石行星都更新鲜活跃。
Near the surface earthquakes may run as high as 100 in a month, but the yearly average does not vary much.
近地表的地震频率可能高达一个月100次，但每年的平均值变化不大。
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