concentrations
Произношение: [ˌkɒn.sənˈtreɪ.ʃənz]
Слово
Контекст: «science»
(noun) the amount of a substance in a certain volume of liquid or space. In science, we check how much of something like salt is mixed in water or how many people are in a small area.
Пример
The concentration of salt in the solution was just right for the experiment.
Пример
The concentration of sugar in the drink was too low to taste.
Пример
What is the concentration of carbon dioxide in the air we breathe?
Контекст: «mental focus»
(noun) the ability to think about something carefully and not get distracted. It’s when you are really paying attention to your homework or a game.
Пример
Her concentration during the test helped her answer all the questions.
Пример
His lack of concentration made it hard for him to finish the puzzle.
Пример
How can I improve my concentration when studying?
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