frontier

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数据源: ai_enrichment
frontier 指国家或地区的边界、边境,也常比喻为知识、科技等领域的未知前沿或新领域。

用法要点

介词搭配

frontier 常与介词 on、at、beyond 搭配使用。on the frontier 表示在边境地区;at the frontier 强调在边界点;beyond the frontier 指超越边界或前沿。

• on the frontier
• at the frontier
• beyond the frontier

语域说明

frontier 在正式语境中多指地理或政治边界,如国境;在比喻用法中常见于学术、科技领域,表示探索的前沿,如科学前沿。日常对话中较少使用,多用于书面或专业讨论。

• the frontier of science
• technological frontier
• medical frontier

句型结构

frontier 可作主语、宾语或定语。常见句型包括:The frontier is...(边界是...)、explore the frontier(探索前沿)、frontier region(边境地区)。注意它通常为可数名词,但泛指时可用单数。

• The frontier is heavily guarded.
• They crossed the frontier at night.
• frontier town

基础例句

They drove to the frontier to see the border checkpoint.

他们开车到边境去看检查站。

The new highway will connect cities near the frontier.

这条新高速公路将连接边境附近的城市。

Life on the frontier can be challenging but exciting.

边境地区的生活可能充满挑战,但也令人兴奋。

高级例句

The research pushes the frontier of artificial intelligence with innovative algorithms.

这项研究通过创新算法推动了人工智能的前沿。

International treaties often address disputes over frontier demarcation.

国际条约常涉及边界划界争议。

Companies invest heavily in exploring the technological frontier to gain competitive advantage.

公司大力投资探索技术前沿以获得竞争优势。

高频搭配

verb

cross the frontierexplore the frontierpush the frontierguard the frontierexpand the frontier

adjective

new frontiertechnological frontierscientific frontierwestern frontiernorthern frontier

noun

frontier regionfrontier townfrontier spiritfrontier disputefrontier crossing

adverb

beyond the frontieracross the frontieralong the frontier

preposition

on the frontierat the frontierbeyond the frontier

phrase

the final frontierfrontier of knowledgefrontier in medicinefrontier between countries

常见错误

❌ 错误:We need to pass the frontier to enter the country.
✓ 正确:We need to cross the frontier to enter the country.

pass 通常用于通过检查点或关口,而 cross 更准确地表示越过边界线,强调从一侧到另一侧的动作。

❌ 错误:The frontier of the park is very beautiful.
✓ 正确:The boundary of the park is very beautiful.

frontier 多指国家或大区域的边境,具有政治或地理意义;对于公园等较小范围,应用 boundary 表示分界线。

近义词辨析

border

border 更通用,指任何边界线,如国界、州界或花园边界,强调分界本身;frontier 常指偏远或未开发的边境地区,带有探索或前沿的意味。

The border between the two countries is clearly marked. (侧重分界) / They settled near the frontier to start a new life. (侧重边境地区)

boundary

boundary 指具体的、明确的界线,如土地、行政区域的界限,常用于较小范围;frontier 更抽象,可指知识或科技的前沿,且多与国家边境相关。

The river forms a natural boundary between the farms. (具体界线) / Scientists are working at the frontier of quantum physics. (抽象前沿)