名词
中文翻译：无
同义词：
['无例句：1. The cumuliform clouds were moving across the sky.（这些云朵状的云正在天空中移动。）']
例句：
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1. The cumuliform clouds were moving across the sky.
这些云朵状的云正在天空中移动。
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2.The cumuliform clouds were a sign of rain.
这些云朵状的云预示着要下雨。
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3. The cumuliform clouds were a reminder of the beauty of nature.
这些云朵状的云提醒我们大自然的美丽。