动词短语
中文翻译：跳舞于无物之上
同义词：
['flourish', 'twirl', 'spin']
例句：
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1.The dancers were so graceful thatthey seemed to be dancing upon nothing.
舞者们如此优雅，仿佛在无物上跳舞。
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2. She spun a tale of adventure uponthe air, drawing gasps from allwho heard it.
她在空中编织了一个冒险故事，让所有听到的人都屏息以待。
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3. The children danced upon the grass, their feet leaving behind a trail offootprints.
孩子们在草地上跳舞，他们的脚留下了一串足迹。