We think meteors that crashed into the moon or tails of passing comets may have introduced water molecules.
我们认为，撞击月球的流星或经过的彗星尾巴可能会留下一些水分子。
Instead of making a clean break, water evaporating from treetops tugs on the remaining water molecules, with that tug extending from molecule to molecule all the way down to the roots.
从树梢蒸发的水并没有彻底地分解，而是拉住了剩下的水分子，这种拉拽作用从一个分子延伸到另一个分子，一直拉到根部。
Thus our bodies continuously exchange old substance for new, just like a spring which more or less maintains its form and movement, but in which the water molecules are always different.
因此，我们的身体不断地把旧物质替换成新的，就像一个喷泉，或多或少地保持着它的形式和运动，但其中的水分子总是不同的。
Any water molecules that found their way to the floors of craters near the moon's poles, that water would be perpetually frozen, because the floors of those craters are always in shadow.
只要找到了通向月球两极附近陨石坑底部的路，这些水分子就会永远冻结，因为这些陨石坑的底部总是在阴暗处。
Buoyancy is not a property of individual water molecules.
浮力不是单个水分子的性质。
Instead of passing water molecules, these membranes pass ions.
跟让水份子通过不同的是，这些过滤膜让离子通过。
Water molecules stick together, because they carry a slight charge on each end.
水分子粘合在一起是因为水分子间有轻微的作用力。
The ocean is complex by any definition; in this case the entities are water molecules.
基于任何一种定义，海洋都是复杂的；在这个例子中，实体是水分子。
It works by the water molecules, like, adhere to the carbon molecules that are in the ashes.
碳元素通过水分子发生作用，就好像……水分子往往附着在炭灰中的碳分子上。
Substitute unreasoning air or water molecules for sentient humans and you have a chaotic fluid.
如果把这幅图中有感知的人换成无理性的空气分子或水分子，我们得到的就是一片混乱的流动体。
In a surprise, it appears that water molecules are present, even in the heat of direct sunlight.
惊奇的是，即便在直接阳光照射最为强烈的情况下，水分子看起来还是出现了。
The water molecules will eventually evaporate, condense, and recycle back to Earth as precipitation.
水分子会蒸发，凝结，形成降水，重新进入地球的水循环系统。
The reflected light was found to be missing infrared wavelengths that are absorbed by water molecules.
他们发现反射的光线波谱中缺少红外线波长——这段光线被水分子吸收了。
Hydroxyl is HO, as opposed to water's H2O, and it is usually the result of water molecules decomposing.
羟基是分子式是HO，水分子式是H 2 O，羟基通常是水分子分解后的产物。
Additional contributions to catalysis can come from bound water molecules, metal ions, or other factors.
其它促成催化的因素来自结合水分子，金属离子或其它因子。
Water molecules join together in a rigid pattern - a tiny ice structure that's the heart of a snow crystal.
水分子连接成坚固的结构排布，这一小小的冰结构是雪花晶体的核心。
These particles then allowed water molecules to bind together, forming droplets and avoiding re-evaporation.
而这些微粒使水分子结合在一起，形成水滴，防止再次蒸发。
The neutrinos impact water molecules and the sensors record the pattern of light radiated by the collisions.
当中微子与水分子碰撞后辐射出光，再被传感器记录下来。
They doused the fructose in acid, which catalysed a chemical reaction expelling oxygen atoms as water molecules.
研究人员们接着将果糖浸入酸溶液之中，酸溶液便会对果糖催化一种化学反应-这样水分解之时就能排除内含的氧原子。
Nuclear experts say that radiation from the core of a reactor can split water molecules in two, releasing hydrogen.
原子能专家说，核反应堆堆芯的放射线能够把水分子一分为二从而产生氢气。
In the Deep Impact data, we're essentially watching water molecules form and then dissipate right in front of our eyes.
在‘深度撞击’彗星任务的数据中，我们基本上切切实实地观察到水分子在我们眼前形成，然后又消失。
On Venus, hot water vapor rose high into the atmosphere where water molecules were split apart by the action of sunlight.
在金星上，热的水蒸气上升到大气层中，在大气层中水分子在阳光的作用下分解。
Many kinds of molecules make up your coffee There are the water molecules, the flavor molecules the milk proteins, etcetera.
许多不同种类的分子构成了你的咖啡，有水分子，气味分子，牛奶蛋白等等。
It arises, or emerges, or "pops through" only when water molecules engage in morphodynamic relationships at cold temperatures.
浮力这个新性质只有当水分子们在低温下卷入到形态动力学关系中以后，才会产生，或出现，或突然蹦出来。
An ever changing cascade of water molecules swirls through the tornado, transmuting the whirlpool's being from moment to moment.
不停变化的水分子瀑布在龙卷中旋转，时刻改变着漩涡的形状。
The water is distilled and is totally freed from any substances with the help of a special mesh-work that filters only water molecules.
将水蒸馏去除杂质的时候会用到一种只过滤水分子的特制网状设备。
The result is a fine powder that canslurp up gases, which chemically combine with the water molecules to form whatchemists term a hydrate.
这种细粉末可吸收气体，即通过化学方式与水分子结合，形成水合物。
Using sunlight to ship electrons, they split water molecules and combine the resulting hydrogen with carbon dioxide extracted from the air.
在阳光的作用下，叶绿素将水分子拆分，并得到电子和氢离子，后者又与从空气中提取的二氧化碳结合到一起。
Using sunlight to ship electrons, they split water molecules and combine the resulting hydrogen with carbon dioxide extracted from the air.
在阳光的作用下，叶绿素将水分子拆分，并得到电子和氢离子，后者又与从空气中提取的二氧化碳结合到一起。
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