primer
Произношение: [ˈprɪmər]
Слово
Контекст: «education»
(noun) a small book or booklet that helps you learn the basics of a subject. It's often used in schools to teach young kids how to read or understand simple concepts.
Пример
The teacher gave us a primer on how to solve simple math problems.
Пример
They didn't have a primer, so understanding the topic was harder for the students.
Пример
Have you ever used a primer to learn something new?
Контекст: «chemistry»
(noun) a substance that is used to prepare a surface for painting or other treatments. It's like a base layer that helps things stick better.
Пример
We used a primer on the wall before painting it to make the color look brighter.
Пример
Skipping the primer made the paint chip off easily later.
Пример
Why do we need a primer before applying the final coat of paint?
Контекст: «biotechnology»
(noun) a short piece of DNA or RNA that helps in starting a process during experiments or tests. It's important in science for making copies of DNA.
Пример
Scientists used a primer to help duplicate the DNA for their research.
Пример
Without the right primer, the experiments didn't work as planned.
Пример
What role does a primer play in DNA testing?
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