oxygen
Произношение: [ˈɒksɪdʒən]
Слово
Контекст: «science»
(noun) a colorless gas that is very important for living things. We breathe in oxygen to help our bodies work. Plants also need it, and it is a big part of the air around us.
Пример
When we breathe in, we take in oxygen, which helps us stay alive.
Пример
Without oxygen, humans and many animals wouldn't survive.
Пример
Why do we need oxygen to live?
Контекст: «environment»
(noun) a chemical element found in water and in the air. It's part of many important processes in nature, like when plants make food from sunlight.
Пример
Oxygen is essential for the process of photosynthesis in plants.
Пример
Some scientists believe that without enough oxygen, many forms of life would struggle to exist.
Пример
What role does oxygen play in the environment?
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