polar

界面语言: zh

🇬🇧 /ˈpəʊlə/ 🇺🇸 /ˈpoʊlɜr/

📖 释义

  1. adjective
    极地的; 极的; 截然相反的; 极性的; 极坐标的; 天极的; 偏振的
  2. noun
    极线; 极星; 极性物质

🔗 详情

词形变化

比较级: more polar 最高级: most polar

常用搭配

polar bearpolar icepolar oppositepolar regionspolar coordinatespolar vortexpolar explorer

派生词

polaritypolarizepolarizationpolarizerbipolarmultipolarunipolarpolarly

同义词

arcticantarcticfrigidglacialfrozen

反义词

equatorialtropical

易混淆词

polarized
EN: 'Polar' describes something relating to the poles or extremes; 'polarized' means divided into two opposing groups or filtered by polarization.
zh: 'Polar' 描述与极点或极端相关的事物；'polarized' 意为分裂为两个对立群体或通过极化进行过滤。
polarity
EN: 'Polarity' is the noun form referring to the state of having poles or opposite tendencies; 'polar' is the adjective.
zh: 'Polarity' 是名词形式，指拥有极点或对立面倾向的状态；'polar' 是形容词。

拼写提示

EN: No common spelling issues. Note that 'polar' has one 'l', while 'polarity' and 'polarize' retain the single 'l' before the suffix.
zh: 没有常见的拼写问题。注意 'polar' 只有一个 'l'，而 'polarity' 和 'polarize' 在词缀前保留单个 'l'。

💬 例句

  1. Polar bears are native to the Arctic region.

    北极熊原产于北极地区。

  2. The polar axis of the Earth is tilted at approximately 23.5 degrees.

    地球的极轴倾斜约23.5度。

  3. The two candidates held polar views on economic policy.

    两位候选人在经济政策上持有极端的观点。

  4. Water is a polar molecule because of its bent shape and electronegativity difference.

    水是一种极性分子，因为其弯曲的形状和电负性差异。

  5. The equation r = 2cos(θ) describes a circle in polar coordinates.

    方程 r = 2cos(θ) 描述了极坐标系中的一个圆。

  6. Polaris is known as the polar star because it lies close to the north celestial pole.

    北极星被称为极星，因为它靠近北天极。

  7. A polar filter can reduce glare from reflective surfaces.

    偏振滤镜可以减少来自反光表面的眩光。

  8. The polar of a point outside a circle is the line joining the points of tangency of the two tangents from that point.

    圆外一点的极线是过该点的两条切线的切点连线。

  9. Polaris has served as the northern polar for centuries.

    北极星作为北天极已有数个世纪。

  10. The solvent used in the reaction was a polar, such as methanol.

    反应中使用的溶剂是极性的，例如甲醇。