polar

中文意思

adj. having a pair of equal and opposite charges
adj. located at or near or coming from the earth's poles
adj. of or existing at or near a geographical pole or within the Arctic or Antarctic Circles

adj. 極地的
Global warming poses a serious threat to polar bears and their ice habitat.
全球暖化對極地熊及其冰層棲息地構成了嚴重威脅。
adj. 兩極的
The Earth has a strong polar magnetic field that protects us from solar radiation.
地球擁有強大的兩極磁場，保護我們免受太陽輻射的傷害。
adj. 截然相反的
The twin brothers have polar personalities, as one is very shy while the other is outgoing.
這對雙胞胎兄弟有著截然相反的性格，一個非常害羞，另一個則很活潑。
adj. 極性的
Water is a polar molecule, which allows it to dissolve many different substances easily.
水是一種極性分子，這使它能夠輕鬆溶解許多不同的物質。
n. 極線
In geometry class, the teacher drew a polar with respect to the given circle.
在幾何課上，老師畫了一條相對於給定圓形的極線。
n. 極面
The mathematician calculated the exact equation of the polar in the three-dimensional space.
這名數學家計算出了三維空間中該極面的確切方程式。