n. 名词<化>氢
Water is made of oxygen and hydrogen.
水是由氧和氢组成的。
Hydrogen is the lightest element in the universe.
氢是宇宙中最轻的元素。
We need hydrogen for various industrial processes.
我们需要氢用于各种工业过程。
This balloon is filled with hydrogen.
这个气球充满了氢。
Hydrogen can be used as a clean fuel.
氢可以用作清洁燃料。
Stars produce energy by fusing hydrogen.
恒星通过融合氢来产生能量。
Liquid hydrogen is extremely cold.
液态氢极其寒冷。
Electrolysis can separate water into oxygen and hydrogen.
电解可以将水分解成氧和氢。
Hydrogen is highly flammable and explosive.
氢高度易燃且爆炸性强。
Scientists are researching hydrogen fuel cells.
科学家们正在研究氢燃料电池。
Hydrogen has an atomic number of one.
氢的原子序数为一。
The sun is primarily composed of hydrogen.
太阳主要由氢组成。
We can generate hydrogen from natural gas.
我们可以从天然气中生成氢。
Hydrogen bonds are important in DNA structure.
氢键在DNA结构中很重要。
Hydrogen can power electric vehicles.
氢可以为电动车提供动力。
Pure hydrogen is a colorless gas.
纯氢是一种无色气体。
They are storing hydrogen in high-pressure tanks.
他们将氢存储在高压罐中。
Hydrogen is used in the production of ammonia.
氢用于生产氨。
This reaction releases hydrogen gas.
这个反应释放氢气。
We can produce hydrogen using renewable energy.
我们可以用可再生能源生产氢。
Hydrogen is essential for life on Earth.
氢对地球上的生命至关重要。
Some bacteria can produce hydrogen.
一些细菌可以产生氢。
Hydrogen has a single proton in its nucleus.
氢的原子核中有一个质子。
They are developing hydrogen storage solutions.
他们正在开发氢存储解决方案。
Many chemical reactions involve hydrogen.
许多化学反应涉及氢。
We need to ensure hydrogen safety standards.
我们需要确保氢的安全标准。
Hydrogen is found in many organic compounds.
氢存在于许多有机化合物中。
They are exploring hydrogen as an energy source.
他们正在探索将氢作为能源。
Rocket fuel often contains liquid hydrogen.
火箭燃料通常含有液态氢。
We can extract hydrogen from water.
我们可以从水中提取氢。
Producing hydrogen requires energy input.
生产氢需要能量输入。
He felt a bit queer today.
他今天感觉有点奇怪。
She is undoubtedly the best singer here.
她毫无疑问是这里最好的歌手。
I will call you soon.
我会很快给你打电话。
She accepted the invitation with alacrity.
她欣然接受了邀请。
Einstein developed the theory of relativity.
爱因斯坦发展了相对论理论。
The farmer used a sickle.
农民使用了镰刀。
He touched his nose.
他摸了摸他的鼻子。
She visits her grandparents occasionally.
她偶尔会去看望她的祖父母。
He gave me direct instructions on how to complete the task.
他给了我直接的指示如何完成这个任务。
The pupil raised his hand to answer the question.
学生举起手来回答问题。
I saw her yesterday.
我昨天见到她了。
The birds migrated south in winter but will return to the north in spring.
这些鸟类冬天迁徙到南方，但春天会返回北方。
His comments were full of fatuity.
他的评论充满了愚蠢。
She was born in April.
她出生在四月。
The movie depicted a cruel villain.
电影描绘了一个残忍的反派。
She finished the race surprisingly quickly.
她竟然很快完成了比赛。
Today is my eleventh birthday.
今天是我的第十一个生日。
His mistake did not abash him.
他的错误并没有使他羞愧。
The evacuation was completed in two hours.
疏散在两小时内完成。
Her splenetic outburst shocked everyone.
她的坏脾气爆发震惊了所有人。
