nimbostratus / ˌnɪm boʊˈstreɪ təs, -ˈstræt əs /

📖毕业后词汇楠木楠木树楠木属楠木属植物

nimbostratus 的定义

n. 名词 noun

plural nim·bo·stra·tus.

  1. a cloud of a class characterized by a formless layer that is almost uniformly dark gray; a rain cloud of the layer type, of low altitude, usually below 8,000 feet.