[countable] (pluraltor·na·doesortor·na·dos) ( informaltwister) aviolentstormwithaverystrongwindthatblowsinacircle龙卷风；龙卷➨ WORD BUILDING 词汇扩充Storm is the general word for very bad weather. * storm 泛指极为恶劣的天气。A very strong wind is a gale.大风称为 gale。A very bad snowstorm is a blizzard.雪暴称为 blizzard。A storm with a very strong circular wind is called a cyclone, hurricane, tornado, or whirlwind.夹带强烈旋风的恶劣天气称为 cyclone、hurricane、tornado 或 whirlwind。