Like deuterium, it is rare relative to helium-4, but, unlike hydrogen, helium doesn't form chemical compounds as abundant as water.
象氘一样，相对于氦- 4它是非常罕见的，但是不同于氢，氦不是来自化学混合物象水那样丰富。
As America has abundant supplies of coal and natural gas from which hydrogen can be made, what's not to like about it?
当美国还拥有充足的能生产氢的煤炭和天然气的供应时，有什么理由不喜欢它呢？
Hydrogen atoms are more abundant than either helium or oxygen but their low mass means they are easily swept aside by the high-speed solar wind and can’t readily be detected.
福斯勒指出氢原子数量比氦原子或氧原子数量要多得多，但是它质量很小，很容易被太阳风吹散，从而不能被稳定地观测到。
Although hydrogen is the most abundant element in the universe, it is difficult to store and distribute.
氢气在宇宙中的含量很丰富，却不容易储存和分离。
Hydrogen is the most abundant element in the universe and is a major component of giant planets such as Jupiter and Saturn.
氢是宇宙中分布最为广泛的元素，它是类似于木星和土星这样的巨行星主要的构成成分。
As Dr Hazen pointed out, carbon is the fourth-most-abundant element in the universe, after hydrogen, helium and oxygen.
就像Hazen博士指出的那样，碳是宇宙中含量排第四的元素，仅落后于氢，氮和氧。
Moreover, the coal, the natural gas, waterpower resources of China are abundant which offer the condition for manufacture of the hydrogen.
况且，中国的煤、天然气、水力资源丰富，为氢的制造提供了条件。
Oxygen, the most abundant chemical element, is present in combination with hydrogen to the extent of 89 percent in water.
在水中，氧这种最丰富的化学元素与氢结合，其含量多达89%。
Oxygen is the third most abundant element in the cosmos, after hydrogen and helium.
氧是宇宙中第三丰富的元素，仅次于氢和氦。
The most abundant isotope of hydrogen, H1, with atomic mass1.
的数量最丰富的一种同位素，h1，原子质量为1。
The production of hydrogen using nothing but water and sunlight offers the possibility of an abundant, renewable, green source of energy for the future for communities across the world.
而此过程生产氢气只需水和阳光，就能源源不断地提供大量的绿色能源，供未来社会使用。
The production of hydrogen using nothing but water and sunlight offers the possibility of an abundant, renewable, green source of energy for the future for communities across the world.
而此过程生产氢气只需水和阳光，就能源源不断地提供大量的绿色能源，供未来社会使用。
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