carbon
Произношение: [/ˈkɑɹ.bən/]
Слово
Контекст: «chemistry»
(noun) a chemical element that is a basic building block of many things. It can be found in coal, diamonds, and even in the air we breathe.
Пример
Diamonds are made up of carbon atoms.
Пример
There is no carbon in pure gold.
Пример
Where can we find carbon in our everyday environment?
Контекст: «pollution»
(noun) a black substance produced when things like coal, oil, or gas are burned. It can cause harm to the environment and is a major contributor to air pollution.
Пример
Reducing the use of fossil fuels can help decrease carbon emissions.
Пример
Burning fossil fuels releases excessive carbon into the atmosphere.
Пример
Why is it important to control carbon emissions?
Контекст: «materials»
(noun) a material used in everyday items like pencils, shoes, and car tires. It is known for its strength and durability.
Пример
The bicycle frame was made of lightweight carbon fiber.
Пример
This plastic chair is not made of carbon.
Пример
What properties make carbon a desirable material for certain products?
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