They rest during the day, sneaking out at night fall to scour the lower regions of our tree city.

它们白天休息夜幕降临后溜出来在我们树城的底部搜寻。

As a result, strong positive charges develop in the upper region of a cloud with strong negative charges developing in the lower regions.

因此，强正电荷在云的上方形成，而强负电荷在云的下方形成。

It's stressful compared to the lower regions, in which one lives more privately, with less competition, less enemies, and, in general, less effort.

与较低的位置相比，这是一种压力，在较低地区，人们生活得更私密，竞争更少，敌人更少，总的来说，更不费力。

Compared with the giants of the lower regions this is a small tree, seldom exceeding a height of eighty or ninety feet.

与低地的巨人相比， 这是一棵小树， 很少超过八十或九十英尺的高度。

It is situated in the lower region of the pass, just where the sunshine begins to mellow between the cold and warm climates.

它位于山口的较低区域， 正是阳光在寒冷和温暖气候之间开始变得柔和的地方。

Even in the lower regions, where they have been closed for many a century, their rocky orbits are still discernible, filled in with the detritus of flood and avalanche.

即使在它们已经关闭了多个世纪的较低地区， 它们的岩石轨道仍然清晰可见， 充满了洪水和雪崩的碎屑。

According to the vulgar idea, the fire in his laboratory had been brought from the lower regions, and was fed with infernal fuel; and so, as might be expected, his visage was getting sooty with the smoke.

按照俗人的说法， 他实验室的火是从下层地区运来的， 是用地狱燃料喂养的；因此，不出所料，他的脸被烟熏得乌黑。