Word · Frequency #7165
polar
极地的;极性的
核心释义
relating to a pole, especially of the earth or a magnet, or having polarity
- 1.
具有极或极性的。
Of or having a pole or polarity, as:
具有极或极性的。;两极的;极地的;正好相反的;极性的
用法In use
The polar ice caps are melting due to global warming.
用法提示:这里polar表示'极地的',作定语修饰ice caps。
The two politicians have polar views on healthcare reform.
用法提示:这里polar表示'截然相反的',作定语修饰views。
They found themselves in polar positions during the debate.
用法提示:这里polar表示'对立的',作定语修饰positions。
polar + n.
作定语放在名词前,表示“极地的”或“极性的”,如 polar bear(北极熊)、polar molecule(极性分子)。
Polar bears depend on sea ice to hunt.
北极熊依靠海冰捕猎。
be polar opposites
固定说法,指人或事物完全相反,opposites 必须用复数。
相关词与表达Connections
搭配Collocations
- polar bear
- 北极熊
- Polar bears are threatened by climate change.北极熊正受到气候变化的威胁。
- polar opposite
- 截然相反的事物
- Their political views are polar opposites.他们的政治观点截然相反。
- polar region
- 极地地区
- The polar regions are experiencing rapid ice melt.极地地区正在经历快速的冰融。
- polar ice cap
- 极地冰盖
- The polar ice caps are shrinking every year.极地冰盖每年都在缩小。
- polar vortex
- 极地涡旋
学习提示Learner notes
记忆技巧Memory Tip
想象北极熊站在冰块上,冰块漂浮在极地海洋,与南极正好相反。
语境与语域Context & Register
register: mixed; contexts: 地理/极地研究, 物理学/化学, 比喻/日常; note_zh: polar作为形容词,在描述地理极地或物理极性时多用于正式或学术语境;而比喻义“截然相反的”在日常对话中也较常见,因此注册为混合。
语法说明Grammar Note
通常用作定语,修饰名词,如 polar regions(极地)、polar opposite(截然相反的事物)。
发音与拼写Pronunciation & Spelling
These words all end in -ar, but only solar and molar rhyme with polar (/ˈpəʊlə/). Lunar, stellar, collar, and dollar have different stressed vowels: /uː/, /e/, /ɒ/, /ɒ/ respectively.
用法优先级Usage priority
Collins 词频等级为 1,建议结合例句记忆,而不是只背中文释义。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.