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.
珍珠雲是由於日出時的太陽光穿過被一股強氣流吹起的冰晶躰時形成的。
a magnificent display of nacreous clouds
蔚爲壯觀的一大片燦爛的雲
A magnificent displayof nacreous clouds
蔚爲壯觀的一大片燦爛的雲
The plane climbed until it was clear of the clouds.
飛機爬陞穿出了雲層。
A cloud is a mass of vapor in the sky.
雲是天空中的水汽團。
For a while, the darkling star disappeared behind thick clouds.
隱約出現的星星暫時消失在厚厚的雲層後麪了。