nimbostratus

/nim-boh-strey-tuhs, -strat-uhs/US // ˌnɪm boʊˈstreɪ təs, -ˈstræt əs //UK // (ˌnɪmbəʊˈstreɪtəs, -ˈstrɑːtəs) //

楠木,楠木树,楠木属,楠木属植物

Definitions

n.名词 noun

1
plural nim·bo·stra·tus.
- : 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.