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1. 积雨云：积雨云(cumulonimbus)是一体积相当庞大的降雨性云块,其发展初期通常是从积云开始,再强烈发展,而积雨云底部在低云族的高度,随著旺盛的上升气流迅速地向上伸展至高云族的高度,形成一个巍峨如山的雄壮云块,云朵底部通常极为黑暗,
2. 積乱雲：Cruising Speed || 巡航速度 || じゅんこうそくど | Cumulonimbus || 積乱雲 || せきらんうん | Cumulus || 積雲 || せきうん
3. 积雨云 (名)：cumulatively 累积地; 渐增地 (副) | cumulonimbus 积雨云 (名) | cumulus 积云, 堆积 (名)
1. But experts warn that volcanic clouds can sometimes be obscured by ordinary storms whose cumulonimbus anvil clouds can hide the eruption plumes.
noun
1. a dark cloud of great vertical extent charged with electricity
associated with thunderstorms
Synonym: cumulonimbus cloud thundercloud