hydrogen
n. <化>氫
Hydrogen is a colourless gas that is the lightest and commonest element in the universe.
1. a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
Hydrogen is used extensively in industry for the production of ammonia.
氫氣在工業上廣泛用於制氨。
He mobilized public opinion all over the world against hydrogen-bomb tests.
他動員全世界的輿論反對氫彈試驗。
Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.
碳、氫、氧化合形成碳水化合物和脂肪。
In May engineers found a leak in a hydrogen fuel line.
5月份工程師們在一條氫燃料管線上發現一條裂隙。
Hydrogen and oxygen combine to form water.
氫與氧化合成水。