Word · CEFR B2 · Frequency #3374
Fully loadednecessity
必需品；必要的东西
核心释义
something that you must have or need, especially for daily life
- 1.
必要性；不可避免或绝对必需的品质或状态。
The quality or state of being necessary, unavoidable, or absolutely requisite.
- 2.
必不可少的状态；必要性
the condition of being essential or indispensable
- 3.
贫困的状态；极度需要；缺乏。
The condition of being needy; desperate need; lack.
- 4.
必需的事物
anything indispensable
- 5.
必要的事物；必需品；不可缺少的东西。
Something necessary; a requisite; something indispensable.
- 6.
使行为或事件不可避免的事物；不可抗拒的力量；压倒性的权力。
Something which makes an act or an event unavoidable; an irresistible force; overruling power.
- 7.
自愿行动中自由的否定；一切现象,无论物质的还是精神的,都受必然因果关系支配；必然论。
The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism.
必要性；必须；贫困；急需；必然性；不可避免的事；紧急避险；必要性辩护；必然论；决定论
用法In use
Food and water are basic necessities for survival.
用法提示：necessity 在此作可数名词，意为'必需品'。
When camping, you should pack all the necessities like a tent and sleeping bag.
用法提示：necessity 作为可数名词复数形式，指'必需品'。
The store sells household necessities at affordable prices.
用法提示：necessity 作可数名词，意为'生活必需品'。
food and shelter are necessities of life
necessity of (doing) sth
后接名词或动名词，表示某事的必要性。
We discussed the necessity of reducing costs.
我们讨论了降低成本的必要性。
相关词与表达Connections
搭配Collocations
- absolute necessity
- 绝对必需品；绝对必要
- Food and water are an absolute necessity for survival.食物和水是生存的绝对必需品。
- basic necessity
- 基本必需品
- Access to clean water is a basic necessity for everyone.获得清洁的水是每个人的基本必需品。
- daily necessity
- 日常必需品
- Toothpaste and soap are daily necessities in modern life.牙膏和肥皂是现代生活中的日常必需品。
- vital necessity
- 至关重要的必需品
- Education is a vital necessity for a prosperous society.教育是繁荣社会至关重要的必需品。
- economic necessity
学习提示Learner notes
记忆技巧Memory Tip
想象沙漠旅行者，水是必需品（necessity）。
语境与语域Context & Register
mixed: general discourse, formal writing, everyday speech; 通常用于正式或学术语境，也常见于日常对话中表示必需品。注：中性偏正式，多用于书面或严肃场合。
语法说明Grammar Note
作'必需品'解时为可数名词，作'必要性'解时通常为不可数名词
发音与拼写Pronunciation & Spelling
These words share the spelling ending '-ity' but do not rhyme with 'necessity' because their stressed vowels differ (e.g., 'ability' has /ɪ/ while 'necessity' has /ɛ/). No common words share the exact rhyme due to the unique stress pattern of 'necessity'.
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.