You need an even surface to work on.
你需要有个平面在上面工作。
The storm's violent waves would have caused separate pieces floating even briefly on the surface to drift apart.
风暴猛烈的海浪会使漂浮在海面上的碎片漂流分离。
As geologists, we examine layers of sediment on the Earth' s surface to approximate the dates of past geologic time periods.
作为地质学家，我们研究地球表面的沉积层以估算过去地质时期的年代。
This suggests that Earth's water may have come from inside, driven to the surface to form the oceans, by geological activity.
这表明，地球上的水可能来自内部，由于地质活动，被带到表面形成海洋。
The researchers gathered 150 years of ocean temperature data in order to get a better picture of heat absorption from surface to seabed.
研究人员收集了150年以来的海洋温度数据，以便更好地了解从海洋表面到海底的热量吸收情况。
I need a flat surface to write on.
我需要一个平面在上面写字。
We'll need a flat surface to play the game on.
我们得有个平面才能玩这个游戏。
The wires do not have a large enough surface to catalyse a big explosion.
金属线没有足够大的接触面来引起大爆炸。
When the whales go to the ocean's surface to breathe, their heart rate is between 25 and 37 bpm.
鲸鱼游到海面上呼吸时，它们的心率达到每分钟25到37次。
Devils Tower is a relic of the past, when the molten rock of the earth's core forced its way to the surface to form the throat of a volcano.
魔鬼塔是过去的遗迹，当时地核的熔岩涌向地表，形成了火山的咽喉。
Solar power now looks on the surface to be potentially competitive.
而太阳能发电现在从表面上看颇有竞争潜力。
They are found in every ocean, from the surface to the deep sea.
你可以在每一个海洋找到它们，从海平面到深海区。
Ice to meet you: the whales swim to the surface to greet the divers.
欢迎你：鲸鱼游向水面欢迎潜水员。
I make my home in water but have to come to the surface to breathe.
我把家安在水中，但不得不游到水面进行呼吸。
The sleek head of a seal bobbed to the surface to get a better look at us.
一头海豹不时从水中冒出光滑的头来，想把我们看得更清楚。
I grabbed an empty box and moved everything from my desk surface to the box.
我拿来了一个空箱子，然后把桌面上的所有东西放了进去。
But what if you don't have a wall or other surface to bounce your flash off of?
但是如果没有墙或天花板可用呢？
Add a parameter named surface to the operation, and set its type to DrawingSurface.
向方法添加名为surface的参数，并将类型设置为DrawingSurface。
We move things around from surface to surface not quite knowing what to do with them.
我们只是将东西从这放到那，而不知道该怎么去处理他们。
Baby hippos are born underwater and must swim to the surface to take their first breath.
河马宝宝出生在水里，它必须游到水面进行生命第一次呼吸。
In addition, there is evidence that some material is transferred from one surface to another.
此外，有证据表明有些材料从一个表面迁移到另一个表面。
The particles thus bounce from one cell surface to another until they land on an uninfected cell.
这些粒子就这样从一个细胞表面跳向另一个细胞，直到它们着落在一个未受感染的细胞上。
In one experiment the subjects were asked to look for surface to air missiles in satellite images.
有一个实验要求主体从卫星图像中寻找出各个地对空飞弹。
When the prey is within range it gracefully skates across the waters surface to pounce on its victim.
当猎物靠近狩猎范围时，它会优雅地从水面上滑向猎物，然后给猎物致命一击。
Deep oranges and yellows appear in the troposphere, which extends from the Earth’s surface to 6–20 km high.
大气层呈现出厚重的颜色和各种黄色，这些颜色从地球表面延伸到6至20千米的高空。
I had done all the conscious work I could, then grief came to the surface to make its long suppressed debut.
我已经做了一切我意识到自己能做的，然后悲伤在长期的压抑之后，第一次浮上表面。
This floating ice shelf was about 260 feet (80 meters) thick from its exposed surface to its submerged base.
漂浮的冰壳露在水面以上的部分大约有260英尺(80米)厚。
In this photo, a worker heats a computer board on a steel surface to remove the computer chips soldered into it.
图中的这位工人在一块钢板表面加热一块电脑电路板以取下焊接在上面的芯片原件。
The one in Punjab has fallen from a couple of metres below the surface to, in parts, hundreds of metres down.
旁遮普邦的一处地下水下降了好几米，从地上算，已经是百米以下。
The one in Punjab has fallen from a couple of metres below the surface to, in parts, hundreds of metres down.
旁遮普邦的一处地下水下降了好几米，从地上算，已经是百米以下。
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