cumulonimbus
n. 积雨云
名词复数：cumulonimbuses
近义词：thundercloud，cumulonimbuscloud，
英英释义
Noun
- a dark cloud of great vertical extent charged with electricity; associated with thunderstorms
例句
用作名词(n.)
- Most thunderstorms form in cumulonimbus cloud.大多数雷暴由积雨云组成。
- The sunset scene shows a classic cumulonimbus cloud formation.夕阳现场显示经典的积雨云形成的。