altostratus / ˌæl toʊˈstreɪ təs, -ˈstræt əs /

🎓大学词汇高山云母高层建筑高层人士高山云

altostratus 的定义

n. 名词 noun

plural al·to·stra·tus.Meteorology.

  1. 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.