polar

英['pəulə]美['polɚ]

a.
1.北极的，南极的；极地的
2.极的；极性的；磁极的；电极的
3.正好相反的，截然对立的

同：	[a.] diametric, diametrical, frigid, pivotal
反：	[a.] equatorial

Noctilucent clouds are ragged extensions of a more widespread and more permanent layer which forms over the summer polar area at the mesopause
夜光云是在夏季极地中圈顶之上形成的更广泛更持久的层的参差不齐的延伸。收藏
Hb Memphis: substitutes one uncharged polar residue for another of similar size on the surface.
表面上的一个不带电的极性基团被另一个相似不带电的极性基团取代。收藏
The polar concepts of the physical organic chemist are relevant to radical reactions
物理有机化学家的极性概念能够适用于基反应。收藏
A molecule where the centers do not coincide is called a polar molecule
正负电荷中心不重合的分子称为极性分子。收藏
A constellation in the polar region of the celestial Southern Hemisphere near Carina and Dorado.
飞鱼星座南天球极部地区船底座和剑鱼座附近的一个星座收藏

　　　 more...

点击查看……

located at or near or coming from the earth's poles
- polar diameter
- polar zone
- a polar air mass
- Antarctica is the only polar continent
of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
- polar regions
[反] equatorial

开心词场背单词

站内文章