英语单词necessary的用法和辨析(实用3篇)
英语单词necessary的用法和辨析 篇一
第一篇内容
Introduction:
The word "necessary" is commonly used in English to express the idea of something that is needed, essential, or required. In this article, we will explore the different ways in which the word "necessary" can be used and provide examples to illustrate its meaning and usage.
1. Adjective:
As an adjective, "necessary" describes something that is required or essential. It can be used to express an obligation or a need for something. For example:
- It is necessary to study for the exam if you want to pass.
- Water is necessary for survival.
In these examples, "necessary" emphasizes the importance or requirement of studying for the exam and the essential nature of water for survival.
2. Noun:
"Necessary" can also be used as a noun to refer to something that is required or essential. For example:
- The necessities of life include food, water, and shelter.
- We must focus on providing the necessary for those in need.
In these sentences, "necessary" is used as a noun to refer to essential items or things that are required for a particular purpose.
3. Adverb:
"Necessary" can also function as an adverb to modify a verb or an adjective. It indicates that something is done in a way that is required or essential. For example:
- She spoke to him as necessary.
- The task was completed as quickly as necessary.
In these sentences, "necessary" modifies the verbs "spoke" and "completed," indicating that the actions were done in a required or essential manner.
4. Synonyms and Antonyms:
Some synonyms for "necessary" include essential, required, vital, and obligatory. Antonyms for "necessary" include optional, unnecessary, and dispensable.
Conclusion:
The word "necessary" is a versatile term that can be used as an adjective, noun, or adverb to express the idea of something that is required, essential, or obligatory. Whether used to describe an obligation, refer to essential items, or modify a verb or adjective, "necessary" emphasizes the importance or requirement of something. Understanding the different ways in which "necessary" can be used will enhance your English language skills and enable you to express ideas more effectively.
英语单词necessary的用法和辨析 篇二
第二篇内容
Introduction:
"Necessary" is a common English word that is used to express the idea of something that is required or essential. In this article, we will delve into the nuances of the word "necessary" and explore its distinctions from similar terms.
1. Necessary vs. Essential:
While "necessary" and "essential" are often used interchangeably, there is a subtle difference between the two. "Necessary" implies that something is required or needed for a specific purpose or outcome. On the other hand, "essential" suggests that something is fundamental or indispensable. For example:
- It is necessary to wear a seatbelt while driving.
- Oxygen is essential for human survival.
In these examples, "necessary" emphasizes the requirement or need for wearing a seatbelt, while "essential" highlights the fundamental and indispensable nature of oxygen for human survival.
2. Necessary vs. Required:
"Necessary" and "required" are similar in meaning, but they differ in usage. "Necessary" implies that something is needed or obligatory, while "required" suggests that something is mandated or demanded. For example:
- Submitting the application before the deadline is necessary.
- A valid ID is required to enter the building.
In these sentences, "necessary" emphasizes the need or obligation to submit the application before the deadline, while "required" denotes the mandate or demand for a valid ID to enter the building.
3. Necessary vs. Essential vs. Indispensable:
While "necessary" and "essential" are closely related, "indispensable" implies that something is absolutely necessary and cannot be done without. It suggests that something is so crucial that it cannot be replaced or substituted. For example:
- Teamwork is necessary to complete the project successfully.
- Good communication skills are essential for a successful career.
- Trust is indispensable in a healthy relationship.
In these sentences, "necessary" emphasizes the need for teamwork, "essential" highlights the importance of good communication skills, and "indispensable" emphasizes the irreplaceable nature of trust in a healthy relationship.
Conclusion:
The word "necessary" is used to express the idea of something that is required or essential. While it is often used interchangeably with "essential" and "required," there are subtle differences in their meanings and usage. Understanding these distinctions will enable you to use the word "necessary" more accurately and express your ideas more precisely in English.
英语单词necessary的用法和辨析 篇三
英语单词necessary的用法和辨析
”necessary“常翻译为”必要的“意思，此外，还有其他意思哦！下面是小编为大家整理了英语单词necessary的用法和辨析，希望能帮到大家！
一、详细释义：
adj.
必要的；必需的
例句：
All necessary materials should be on hand.
一切必须的材料应准备就绪。
例句：
This is a necessary part of the process and shouldn’t be short-circuited.
这是这个过程的.必要部分，不应该缩短。
必然的；不可避免的
例句：
Poor health is a necessary result of over-exertion.
体弱是过度劳累的必然结果。
例句：
Arguably, the criminal is a necessary member of society.
无疑地，罪犯是社会不可避免的一种人。
n.
必需品
例句：
Please just take the necessary for a long walk.
只带上远足所需的必需品即可。
例句：
She have enough money to obtain the necessary of life.
她有足够的钱购买生活必需品。
例句：
She has enough money to obtain the necessary of life.
她有足够的钱购买生活必需品。
二、词义辨析：
indispensable,essential,necessary,requisite
这些形容词均有“必不可少的，必需的”之意。 indispen
三、参考例句：
Make the necessary arrangements.
做一些必要的安排。
Log is missing necessary information.
日志缺少了必要的信息。
She will make necessary arrangements.
她会作好必要的准备。
Sleep is necessary to health.
睡眠对健康是必要的。
Is war a necessary evil?
战争是无法避免的灾祸吗？
They furnished him with the necessary funds.
他们向他提供了必要的资金。
These reference books are necessary to us.
这些参考书是我们所必需的。
It's necessary to operate on him.
必须给他做手术。
We will take immediate and necessary action.
我们将立即采取必要的行动。
These things are necessary for the dependent.
这些都是受援助者需要的必需品。
