brackets
发音：英 [?br?k?ts]；美 [?br?k?ts]。
基础释义：括号；括号内附加说明或注解的东西。
英语范文：括号在英语写作中的应用非常广泛，例如在描述时间、价格、数量等情况下，使用括号可以更清晰地表达意思。此外，括号还可以用来解释生词或难懂的句子，帮助读者更好地理解文章。
希望以上信息对您有帮助。
Brackets
Brackets are a very common part of writing, especially in mathematics and science. They are used to enclose expressions, equations, and other mathematical symbols. In this essay, I will discuss the basic usage of brackets, as well as some examples of how they are used in different contexts.
Firstly, we have open brackets (()) and closed brackets ([]). These brackets are used to indicate the boundaries of an expression or equation. For example, in the equation x + 2(y + z), we have two open brackets and two closed brackets.
Secondly, we have different types of brackets, such as parentheses (), square brackets [], and curly brackets {}. These brackets are used for different purposes. Parentheses are used for grouping, while square brackets are used for indicating ranges or intervals, and curly brackets are used for indicating sets or lists.
Finally, we have different types of brackets inside brackets. For example, we can have a single bracket inside a pair of parentheses, like (a[b]), or a pair of square brackets inside a pair of square brackets, like [[c]]. These brackets are used to indicate sub-expressions or sub-lists within a larger expression or list.
In conclusion, brackets are an essential part of writing mathematical and scientific equations and expressions. They help us to clearly indicate the boundaries of an expression, as well as to group and organize different parts of it. Understanding their usage and structure is crucial for effective communication and understanding of mathematical concepts.
Brackets
Brackets are used in writing to indicate parentheses. They are usually placed inside parentheses and are used to add additional information or clarify something.
发音：/br?'k?ts/
Example Sentences:
1. I have (apples and oranges) in my fruit bowl.
2. The doctor said (don't smoke or drink) while you're pregnant.
Useful Phrases:
1. Brackets are also used in scientific notation to indicate scientific units. For example, (km/h) indicates kilometers per hour.
2. Brackets are also used in math to represent a range or interval of numbers. For example, (3, 5, 7) represents a set of three numbers from 3 to 7.
In English writing, brackets can be helpful to clarify or add additional information to your text, making it easier for readers to understand and follow along. They can also help to break up the flow of your writing and provide a more readable and organized structure.
