A1 noun 中性 #2,736 最常用

frontier

/ˈfrʌntɪə/

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 / 5
1

The travelers reached the frontier at midnight.

The people traveling arrived at the border at 12:00 AM.

2

International law defines the frontier between the two nations.

World laws explain the border line between the two countries.

3

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

名词
frontier
形容词
frontier
相关
frontiersman
💡

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

1

The travelers reached the frontier at midnight.

everyday

The people traveling arrived at the border at 12:00 AM.

2

International law defines the frontier between the two nations.

formal

World laws explain the border line between the two countries.

3

Living on the frontier was very hard for the family.

informal

Living at the edge of the wild land was difficult for the family.

4

The study of Mars is the next frontier for science.

academic

Learning about Mars is the next big step for science.

5

Our firm seeks to open a new frontier in the Asian market.

business

Our company wants to start new business in Asia.

词族

名词
frontier
形容词
frontier
相关
frontiersman

常见搭配

cross the frontier to go over the border
frontier town a town located near a border
mountain frontier a border made of mountains
new frontier a new area of knowledge or land
frontier guard a person who protects the border

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

frontier vs border

A border is a specific legal line; a frontier is the wider area or region near that line.

frontier vs front

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

Countable noun: one frontier, two frontiers Often used as an adjective before nouns like 'town' or 'life'
🌍

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

C1

The 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

C1

Relating 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

B2

To 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

B2

A 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

B2

A 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

A1

Used 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

A1

A 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

A1

A 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

A1

This 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

A1

The 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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