frontier
A frontier is a border between two countries. It is also the edge of a land where people have just started to live and build.
例句
3 / 5The travelers reached the frontier at midnight.
The people traveling arrived at the border at 12:00 AM.
International law defines the frontier between the two nations.
World laws explain the border line between the two countries.
Living on the frontier was very hard for the family.
Living at the edge of the wild land was difficult for the family.
词族
记忆技巧
Think of the 'Front' of a 'Tier' (level) - it is the very front edge of where we are going.
快速测验
The explorers wanted to see what was beyond the ________.
正确!
正确答案是: frontier
例句
The travelers reached the frontier at midnight.
everydayThe people traveling arrived at the border at 12:00 AM.
International law defines the frontier between the two nations.
formalWorld laws explain the border line between the two countries.
Living on the frontier was very hard for the family.
informalLiving at the edge of the wild land was difficult for the family.
The study of Mars is the next frontier for science.
academicLearning about Mars is the next big step for science.
Our firm seeks to open a new frontier in the Asian market.
businessOur company wants to start new business in Asia.
词族
常见搭配
常用短语
the final frontier
the last place left to explore (often used for space)
frontier spirit
the brave feeling of people exploring new lands
scientific frontier
the most advanced part of science
容易混淆的词
A border is a specific legal line; a frontier is the wider area or region near that line.
A front is the forward part of something; a frontier is a boundary of a territory.
使用说明
Use 'frontier' when talking about history or the limits of what humans know. It sounds more adventurous than the word 'border'.
常见错误
Learners sometimes use 'frontier' for the front of a house, but 'front' should be used instead.
记忆技巧
Think of the 'Front' of a 'Tier' (level) - it is the very front edge of where we are going.
词源
From the Old French word 'frontiere', meaning the front part or the borderland of a country.
语法模式
文化背景
In American history, 'The Frontier' refers to the westward moving border of European settlement.
快速测验
The explorers wanted to see what was beyond the ________.
正确!
正确答案是: frontier
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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