科学研究:氢是宇宙中含量最丰富的元素。
Energy Source: "Hydrogen fuel cells are considered a clean energy source for the future."
能源来源:氢燃料电池被认为是未来的清洁能源。
Chemistry: "Water is composed of two hydrogen atoms and one oxygen atom."
衍生单词: - Hydrology(水文学) - Hydroelectric(水电的) - Hydrophobia(恐水症)
相同词缀的其他单词: - Photogen(光生成) - Biogen(生物生成)
A scientist was conducting an experiment with hydrogen gas. He carefully placed a test tube filled with the gas over water and lit it on fire. The flame turned blue, demonstrating the combustion properties of hydrogen. This simple demonstration showcased the power and potential of hydrogen as an energy source.
一个科学家正在进行一项涉及氢气的实验。他小心地将一个装满氢气的试管放在水上并点燃。火焰变成了蓝色,展示了氢的燃烧特性。这个简单的演示展示了氢作为能源的潜力和力量。
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