首页英语词典hydrogenhydrogen考试真题

hydrogen

英 ['haɪdrədʒ(ə)n] 美['haɪdrədʒən]
  • n. [化学] 氢

考试真题


Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.

2015年12月六级真题(第二套)听力 Section C

双语例句


1. Hydrogen is used extensively in industry for the production of ammonia.
氢气在工业上广泛用于制氨。

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2. He mobilized public opinion all over the world against hydrogen-bomb tests.
他动员全世界的舆论反对氢弹试验。

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3. A hydrogen leak forced NASA to ground the space shuttle.
氢气泄漏迫使美国国家航空航天局停止了航天飞机的发射。

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4. Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.
碳、氢、氧化合形成碳水化合物和脂肪。

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5. In May engineers found a leak in a hydrogen fuel line.
5月份工程师们在一条氢燃料管线上发现一条裂隙。

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