The highest flying clouds here are cirrus clouds which can be found at altitudes of 20,000 to 40,000 feet.

这里最高的飞行云是卷云，可以在2万到4万英尺的高度找到。

On any given day odds are you'll see several contrails, some slowly spreading out to form high, cirrus clouds.

每天我们都有机会看到航迹云，有些会慢慢散高空卷云。

Slender sheaves of cirrus clouds were followed on the horizon by layers of nimbocumulus. Other low clouds fled swiftly.

天际边一层层散的卷云的面，紧随团团乌云，还有一些低云飞快地掠过。

AACPs are the wispy, cirrus clouds that form near the overshooting tops.

顶云上卷云柱是那些在超越顶部附近的细长卷云。

And these are clouds that just hang out up there, and they're just, they're very stable, cirrus clouds.

这些是悬在那里的云层，它们非常稳定，是卷云。

The high altitude cirrus cloud, on the other hand, is mostly made of ice crystals and appears wispy and thin almost hair like in fact.

另一方面，高空卷云主要由冰晶构，看上去纤细如毛。

I used to be observant and find that they would do it in late afternoon so that those real high, thin clouds, which they will tell you those are cirrus clouds, but they're not, they're artificial.

我曾细心观察， 发现他们通常在傍晚时分进行操作，制造出那些极高且稀薄的云层， 他们可能会告诉你那是卷云，但实际上并非自然， 而是人为制造的。

His tail floats now behind him, now above him, level or gracefully curled like a wisp of cirrus cloud, every hair in its place, clean and shining and radiant as thistle-down in spite of rough, gummy work.

像一缕卷云一样水平或优雅地卷曲， 每一根毛发都各就各位， 干净、闪亮， 尽管经过了粗糙、粘稠的工作， 但仍像蓟绒一样闪闪发光。