sphere
A sphere is a perfectly round three-dimensional object where every point on its surface is equidistant from its center. Metaphorically, it refers to a specific field of activity, interest, or social environment where someone has power or expertise.
例句
3 / 5The children were fascinated by the large wooden sphere sitting in the center of the museum.
The kids were amazed by the big round wooden ball located in the middle of the museum.
He has spent his entire career operating within the highest levels of the political sphere.
He has worked his whole life inside the most important parts of the political world.
That topic is way out of my sphere, so I can't really comment on it.
That subject is outside of my area of knowledge, so I cannot give an opinion.
词族
记忆技巧
Think of the word 'Atmosphere' — it is the 'sphere' of air that surrounds our 'globe'. Both involve a round area of influence.
快速测验
The diplomat worked hard to maintain his country's ___ of influence in the region.
正确！
正确答案是： sphere
例句
The children were fascinated by the large wooden sphere sitting in the center of the museum.
everydayThe kids were amazed by the big round wooden ball located in the middle of the museum.
He has spent his entire career operating within the highest levels of the political sphere.
formalHe has worked his whole life inside the most important parts of the political world.
That topic is way out of my sphere, so I can't really comment on it.
informalThat subject is outside of my area of knowledge, so I cannot give an opinion.
The celestial sphere was a fundamental concept in ancient Greek astronomy for mapping stars.
academicThe imaginary globe of the sky was a basic idea used by ancient Greeks to map the stars.
The merger will allow the company to expand its sphere of influence in the European market.
businessThe business deal will help the company increase its power and reach in the European market.
词族
常见搭配
常用短语
within one's sphere
Inside someone's area of knowledge or control.
outside my sphere
Not part of my expertise or responsibility.
domestic sphere
The area of life relating to the home and family.
容易混淆的词
A circle is a two-dimensional flat shape, whereas a sphere is a three-dimensional solid object.
Atmosphere refers specifically to the gases surrounding a planet, while sphere is a general term for any round object or area of activity.
使用说明
When used metaphorically, 'sphere' implies a boundary of influence or expertise. It is commonly paired with 'of' to define the area, such as 'sphere of interest' or 'sphere of operation'.
常见错误
Learners often use 'circle' when they should use 'sphere' for 3D objects or abstract domains of influence. Additionally, avoid using it as a verb; use 'ensphere' or 'encompass' instead.
记忆技巧
Think of the word 'Atmosphere' — it is the 'sphere' of air that surrounds our 'globe'. Both involve a round area of influence.
词源
Derived from the Middle English 'spere', which comes from the Old French 'esphere' and the Latin 'sphaera', originally from the Greek 'sphaira' meaning 'ball'.
语法模式
文化背景
The term 'public sphere' is a significant concept in Western philosophy and sociology, representing a space where citizens can discuss politics independently of the state.
快速测验
The diplomat worked hard to maintain his country's ___ of influence in the region.
正确！
正确答案是： sphere
相关词
proceed
C1The noun form, typically used in the plural 'proceeds,' refers to the total amount of money received from a particular event, sale, or activity. It is a formal term used in academic, legal, and business contexts to describe the result of a financial transaction or fundraising effort.
individual
C1Relating to a single person or thing as distinct from a group. It describes something that is intended for, or used by, one person rather than a collective entity.
appropriately
B2To perform an action in a manner that is suitable, right, or proper for a particular situation, person, or occasion. It implies following specific social norms, professional standards, or logical requirements.
region
B2A region is an area of land that has common features, such as geography, climate, or culture, which distinguish it from other areas. It can refer to a large part of a country or the world and is often used in administrative or scientific contexts to organize space.
resource
B2A stock or supply of money, materials, staff, and other assets that can be drawn on by a person or organization in order to function effectively. In academic and informational contexts, it refers to a source of information or expertise used to support research or learning.
to
A1Used to indicate the place, person, or thing that someone or something moves toward. It can also mark the recipient of an action or the limit of a range.
and
A1A primary conjunction used to connect words, phrases, or clauses that are grammatically equal. It indicates addition, a sequence of events, or a relationship between two things.
a
A1A word used before a singular noun that is not specific or is being mentioned for the first time. It is used only before words that begin with a consonant sound to indicate one of something.
that
A1This word is a demonstrative pronoun used to indicate a specific person, object, or idea that is further away in space or time from the speaker. It is also used to refer back to something that has already been mentioned or to introduce a clause that identifies something.
I
A1The pronoun 'I' is used by a speaker or writer to refer to themselves as the subject of a verb. It is the first-person singular subject pronoun in English and is always capitalized regardless of its position in a sentence.
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