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Bêta

hydrogen

Prononciation : [ˈhaɪdrəˌdʒɛn]

Mot

Comment utiliser hydrogen dans une phrase : 2 sens et 6 exemples audio.

Contexte : « science »

(noun) a chemical element that is the simplest and lightest. It is a gas that you can't see or smell, and it is important for making water and other things.

Exemple

Hydrogen is used in rockets to help them launch into space.

Exemple

There aren't any hydrogen atoms in pure gold; it's made up of heavier elements.

Exemple

What would happen if there were no hydrogen in water?

Contexte : « energy »

(noun) a source of fuel that can be used to create energy. It can run cars and other machines without polluting the air.

Exemple

Many scientists are researching hydrogen as a clean energy source for the future.

Exemple

Using hydrogen was not a popular choice in the past compared to oil and gas.

Exemple

How can hydrogen be used to make energy for our homes?

Comment prononcer hydrogen

Prononciation : [ˈhaɪdrəˌdʒɛn]

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