A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子由两个氢原子和一个氧原子构成。
Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
在水中大多数氢原子和氧原子是稳定的，但这两个元素也有微量以较重的同位素形式存在。
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
两个氢原子和一个氧原子结合组成一个水分子。
As cosmic particles enter the atmosphere and bump into atoms of air, water, ice, rock or anything else that happens to stand in their way, they trigger telltale cascades of other particles.
随着那些宇宙粒子进入大气层，并且和空气，水，岩石或别的什么阻挡在他们飞行路径上的东西中的原子碰撞，它们就会触发其他粒子的级联反应。
Called IceCube, it will work by detecting the flashes of light generated on those rare occasions when a neutrino hits one of the atoms in a molecule of water in the ice.
这架望远镜被命名为“冰立方”，其工作原理是：当一个微中子撞击冰中的水分子原子时，望远镜就会探测这些罕见的场合中产生的闪光。
In school, you probably learned that materials like wood, glass, and water are made of atoms that stick together to make molecules.
在学校，你可能学过像木头，玻璃以及水这样的物质是由原子聚集而成的，从而形成分子。
When you burn a hydrocarbon fuel such as oil, its hydrogen and carbon atoms combine with oxygen from the atmosphere to create water and carbon dioxide.
当你在烧氢类燃料(如石油)时，燃料中的氢原子和碳原子与空气中的氧结合反应，生成了二氧化碳和水。
Timber swells when it is damp and shrinks when it is dry because it contains groups of atoms called hydroxyl groups, which absorb and release water.
木材在潮湿的时候就会膨胀，而干燥的时候会缩小，这取决于其中含有的氢氧基团，它可以吸收和释放水分。
That water signature is in the form of oxygen isotopes, atoms of oxygen with different Numbers of neutrons.
这个特征就是氧的同位素，它是由氧原子和不同数量的中子组成的。
The most frequently detected chemical compound is water (HOH) with oxygen (o) as one of its atoms.
最常检测到的化学化合物是(HOH)，氧(O)是它的一个原子。
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。
the rest of the water molecule becomes a pair of hydrogen atoms, which is also useful).
其余的水分子变成仍有用的一对氧原子。
(the reaction takes place with water molecules, and the oxygen comes from the water; the rest of the water molecule becomes a pair of hydrogen atoms, which is also useful).
这个反应是需要水分子的，且氧原子是来自水分子；其余的水分子变成仍有用的一对氧原子。
The reaction, which requires a catalyst, turns the methanol and water into protons and electrons (in other words, dissociated hydrogen atoms) and carbon dioxide.
这种反应，需要催化剂，将甲醇和水变成质子和电子（换句话说，就是游离的氢原子）以及二氧化碳。
The link between energy and water is not always apparent, but the two are as intertwined as the hydrogen and oxygen atoms in a bottle of Evian.
能源和水之间的联系并非常常如此明显，这两者就好比交织在一瓶依云水里面的氧原子和氢原子。
Water is made up of atoms of hydrogen and oxygen.
水是氢和氧的原子构成的。
Combining two atoms of hydrogen with one of oxygen, you will get a molecule of water.
如果两个氢原子与一个氧原子结合，就可以得到一个水分子。
Water is made up of atoms of hydrogen and oxygen.
水由氢和氧的原子构成。
Acids produce positively charged hydrogen atoms when dissolved in water.
酸在水中溶解时可生成带正电荷的氢原子。
It is the atoms that make up iron, water, oxygen and the like.
正是原子构成了铁、水、氧等类物质。
After I loaded the racks, I stood there and flipped CARDS, learning the makeup of atoms while water and steam broke them down all around me.
当我把碗碟装到架子上以后，我就站在那里翻阅卡片，学习原子的结构，而在我的周围，细小的水珠飞溅着，满屋都是如雾的水蒸汽。
Iron, air and water, everything is made up of atoms.
一切东西，从铁、空气到水，都是由原子构成的。
When electricity is passed through water under proper conditions, every molecule of water is separated into its atoms of hydrogen and oxygen.
当电在一定的条件下通过水时，每个水分子就会分解成氢原子和氧原子。
We have learned that water is made up of two atoms of hydrogen and one atom of oxygen, which we describe by the formula H2O.
我们知道，一个水分子是由两个氢原子和一个氧原子组成的，它的分子式表示为h2o。
When the disc is dropped in water, silver ions are released to purify the water. Ions are atoms that have an electrical charge.
把圆片放进水中，银离子就被释放出来净化水，离子是有一个电荷的原子。
Quantum chemistry cannot explain why the Hydrogen and water molecules have only two atoms, since it has been proved to admit an arbitrary number of atoms;
既然已经证实并承认任意数量的原子，量子化学无法解释为什么氢和水的分子仅有两个原子；
The water molecule is made up of two hydrogen atoms and one oxygen atom.
水分子由两个氢原子和一个氧原子组成。
The water molecule is made up of two hydrogen atoms and one oxygen atom.
水分子由两个氢原子和一个氧原子组成。
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