altostratus

/al-toh-strey-tuhs, -strat-uhs/US // ˌæl toʊˈstreɪ təs, -ˈstræt əs //UK // (ˌæltəʊˈstreɪtəs, -ˈstrɑː-) //

高山云母,高层建筑,高层人士,高山云

Definitions

n.名词 noun

1
plural al·to·stra·tus.Meteorology.
- : a cloud of a class characterized by a generally uniform gray sheet or layer, lighter in color than nimbostratus and darker than cirrostratus: of medium altitude, about 8000–20,000 feet.