名词
中文翻译：高速云
同义词：
['high-speed cloud', 'high-speed cloud formation']
例句：
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1. The high-velocity cloud was moving rapidly across the sky.
高速云正在天空中迅速移动。
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2. The high-velocity cloud formation is a rare and fascinating phenomenon.
高速云形成是一种罕见且引人入胜的现象。
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3. High-velocity clouds are often associated with severe weather conditions.
高速云通常与恶劣的天气条件相关联。