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1·Hydrogen and oxygen combine to form water.

氢与氧化合成水。《牛津词典》

2·Atoms of hydrogen are fused to make helium.

氢原子可熔合成氦。《牛津词典》

3·Hydrogen combines with oxygen to form water.

氢与氧化合成水。《牛津词典》

4·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。《柯林斯英汉双解大词典》

5·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。《牛津词典》

6·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。《牛津词典》

7·Water contains hydrogen and oxygen.

水含有氢和氧。《新英汉大辞典》

8·Zinc displaces the hydrogen of dilute acids.

锌置换了稀酸中的氢。《新英汉大辞典》

9·It contained very little hydrogen and helium.

它含有非常少的氢和氦。

10·Hydrogen turns into Helium, which releases energy.

氢变成氦的时候会释放能量。

氢

1·Water contains hydrogen and oxygen.

水含有氢和氧。《新英汉大辞典》

2·Zinc displaces the hydrogen of dilute acids.

锌置换了稀酸中的氢。《新英汉大辞典》

3·It contained very little hydrogen and helium.

它含有非常少的氢和氦。

4·Water can be resolved [decomposed] into hydrogen and oxygen.

水可分解为氢和氧。《新英汉大辞典》

5·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。

氢气

1·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。

2·There are vague promises of manufacturing fuel from herbs or powering cars with hydrogen.

植物制造燃料或者用氢气来驱动汽车是有可能的。

3·J.J. Balmer, who was a school teacher in the 1800s, was the first to describe these lines that could be seen from hydrogen.

J.J. Balmer，在19世纪是一名教师，他是第一个描述这些可以从氢气中看到的线条的人。

4·Toyota says its fuel cell car FCHV-adv can travel 515 miles on a full tank of hydrogen, but it may not see mass production until 2016.

丰田公司说他们的燃料电池汽车 FCHV-adv 装满一箱氢气能行驶820千米，但在2016年前可能不会投入量产。

5·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。《柯林斯英汉双解大词典》

(1)hydrogen peroxide过氧化氢

(1)hydrogen production制氢

(1)hydrogen sulfide硫化氢

(1)hydrogen bond[化]氢键

(1)hydrogen content氢含量

(1)hydrogen chloride氯化氢；氢氟酸