Hydrogen and oxygen combine to form water.
氢与氧化合成水。
Atoms of hydrogen are fused to make helium.
氢原子可熔合成氦。
Hydrogen combines with oxygen to form water.
氢与氧化合成水。
Hydrogen is used extensively in industry for the production of ammonia.
氢气大量地在工业中被用于氨的生产。
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。
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。
Water contains hydrogen and oxygen.
水含有氢和氧。
Zinc displaces the hydrogen of dilute acids.
锌置换了稀酸中的氢。
It contained very little hydrogen and helium.
它含有非常少的氢和氦。
Hydrogen turns into Helium, which releases energy.
氢变成氦的时候会释放能量。
Hydrogen is seen as an important future energy carrier.
氢被认为是未来重要的能源载体。
Bacteria feed on this oil and release hydrogen sulfide gas.
细菌以这种油为食，并释放硫化氢气体。
Water can be resolved [decomposed] into hydrogen and oxygen.
水可分解为氢和氧。
Stars like our sun fuse hydrogen in their cores into helium.
太阳一类的恒星在其核心将氢聚变成氦。
Water is a compound containing the elements of hydrogen and oxygen.
水是含有氢元素和氧元素的化合物。
It could also be broken down into its component parts—oxygen and hydrogen.
它也可以按照组成部分被分解——氧和氢。
Another option is to store the energy by transforming it into hydrogen fuel.
另一种选择是通过将其转化为氢燃料来储存能量。
The first bubbles to escape from the liquid are a mixture of air and hydrogen.
从该液体中最先逸出的气泡是空气和氢的混合物。
Oxygen could be used to breathe, and hydrogen could be turned into fuel, rocket fuel.
氧气可以用来呼吸，氢气可以变成燃料，火箭燃料。
These devices then combine hydrogen and oxygen to make water and liberate electricity in the process.
然后这些装置将氢和氧合成水，并在这个过程中释放电力。
In another demonstration, they analyzed hydrogen production in bacteria for the University of Washington.
在另一项演示中，他们为华盛顿大学分析了细菌中的制氢过程。
You might say, "Well, gee, why don't we just power our cars with hydrogen placed on an internal combustion chamber."
你可能会说：“好吧，哎呀，为什么我们不把氢气放在汽车内部的燃烧室，来驱动我们的汽车呢。”
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。
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