一：氮是什么意思（中英文）解释的意思：

氮是一种化学元素，符号为N，原子序数为7，在自然界中以气体的形式存在。它是生物体内最常见的元素之一，也是构成蛋白质和核酸的重要成分。

Nitrogen is a chemical element with the symbol N and atomic number 7. It exists in nature in the form of a gas. It is one of the most common elements in living organisms and is an important component of proteins and nucleic acids.

二：怎么读（音标）：

英 [ˈnaɪtrədʒən] 美 [ˈnaɪtrədʒən]

三：用法：

1. 氮可以作为化学反应中的原料，用于制造肥料、塑料、等。

2. 在工业领域，氮气可以用来保护食物和药品免受空气中的氧气影响。

3. 液态氮可以用作冷却剂。

4. 在医疗领域，氮可以用于制造吸入性麻醉剂。

5. 氮还可以用于制造高压容器和航天器。

1. Nitrogen can be used as a raw material in chemical reactions to produce fertilizers, plastics, explosives, etc.

2. In the industrial field, nitrogen gas can be used to protect food and drugs from the effects of oxygen in the air.

3. Liquid nitrogen can be used as a coolant.

4. In the medical field, nitrogen can be used to produce inhalation anesthetics.

5. Nitrogen can also be used to manufacture high-pressure containers and spacecraft.

四：例句1-5句且中英对照：

1. 植物需要氮来生长。

Plants need nitrogen to grow.

2. 工厂使用氮气来保护食品和药品。

Factories use nitrogen gas to protect food and drugs.

3. 医生给我吸入了一些含氮的麻醉剂。

The doctor gave me some nitrogen-containing anesthetics to inhale.

4. 高压容器中充满了液态氮。

The high-pressure container is filled with liquid nitrogen.

5. 宇航员需要在太空中呼吸纯氮。

Astronauts need to breathe pure nitrogen in space.

五：同义词及用法：

1. 氮气（nitrogen gas）：指氮的气体状态，常用于工业领域。

2. 氮化物（nitride）：指由氮与其他元素形成的化合物，如硝化钠（sodium nitride）。

3. 硝酸盐（nitrate）：指含有NO3-离子的盐类，常用于肥料和爆炸物制造。

1. Nitrogen gas: refers to the gaseous state of nitrogen, commonly used in the industrial field.

2. Nitride: refers to compounds formed by nitrogen and other elements, such as sodium nitride.

3. Nitrate: refers to salts containing NO3- ions, commonly used in fertilizer and explosive manufacturing.

六：编辑总结：

氮是一种重要的化学元素，它在生物体内起着重要作用，也广泛应用于工业、医疗和航天等领域。熟练掌握氮的特性和用法，有助于我们更好地利用这一元素，为人类的发展做出贡献。

In summary, nitrogen is an important chemical element that plays a vital role in living organisms and is widely used in industries, medicine, and aerospace. Mastering the characteristics and uses of nitrogen can help us better utilize this element and contribute to the development of humanity.