nacreous clouds

常见例句

Nacreous clouds form when the fading light at sunset passes through tiny ice crystals blown along by a strong jet of stratospheric air.
珍珠云是由于日出时的太阳光穿过被一股强气流吹起的冰晶体时形成的。
a magnificent display of nacreous clouds
蔚为壮观的一大片灿烂的云
A magnificent displayof nacreous clouds
蔚为壮观的一大片灿烂的云
The plane climbed until it was clear of the clouds.
飞机爬升穿出了云层。
A cloud is a mass of vapor in the sky.
云是天空中的水汽团。
For a while, the darkling star disappeared behind thick clouds.
隐约出现的星星暂时消失在厚厚的云层後面了。