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汉语拼音：jí guāng

在高纬度地区，高空中出现的一种光的现象。由太阳发出的高速带电粒子进入两极附近，激发高空大气中的原子和分子而引起。通常呈弧状、带状、幕状或放射状，微弱时白色，明亮时黄绿色，有时还有红、灰、紫、蓝等颜色。

1. 在地球高纬度地区出现的一种强光。因常在靠近北极和南极地区看到，故又分别称北极光和南极光。是一种由太阳辐射的带电粒子进入地球高纬度的高空，激发大气中的原子和分子而形成的发光现象。一般呈带状、弧状、幕状或放射状，色彩瑰丽壮观。

• So, if you want to drive up to Aklavik or Tuktoyaktuk, to see the northern lights, you'd better plan on winter driving.

  所以如果你想开车从阿克拉维克去托雅克图克看极光，你最好把计划定在冬天。

• Most of the time, the aurora borealis was a faded shadow, like the strands of color on a soap bubble.

  大部分的时间，极光只是一种淡淡的影子，就像肥皂泡上的彩丝一般。

• She would flush such entities to the aurora of earth, or send those too large for the aurora to the sun in her daily morning walk.

  在她清晨散步的时候，她会将这些存有向下冲到地心极光当中，或者将那些太大的存有向上送到太阳中心的极光当中。

• And you'll see that it leads with a shifting star field, and there's an Aurora Borealis in the background, kind of morphing with color.

  这是宇宙的初始画面，你可以看到它有一个移动的星盘，以极光为背景，颜色变幻。

• With the use of polarized light and models made of photoelastic plastic, it is possible to detect the concentration of stress.

  随着分极光和光弹性塑料模型的应用，很有可能测算出压力的密度。

• The best time of year to see them is during winter, when darkness in the upper latitudes stretches up to 24 hours.

  一年中观测极光的最佳时间是在冬季，因为高纬度地区的每个黑夜最长会持续24小时。

• Some of this rotational energy also pours to the aurora of earth upon a recurring basis from all points upon the surface of the earth.

  某部分此类能量也倾泻到地球的极光中，基于重现在地球表面的每点上出现。

• later , he had a third dream , in which master appeared in a brilliant light form , which produced in him an extreme longing to see her.

  后来，他又第三次梦到师父，这次师父以极光极亮的化身示现给他看。

• He thought the aurora borealis, or northern lights, was caused by the escape of this gas through a thin crust at the poles.

  他认为极光或北极光由这些逃逸出来的气体通过位于极地的薄地壳引起。