名词
中文翻译：明显运动现象
同义词：
['observable movement', 'visible movement', 'apparent motion']
例句：
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1. The scientist observedthe phenomenon and recorded its details.
科学家观察到了这个现象，并记录了它的细节。
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2.The researcher found that this phenomenon was caused by a natural disaster.
研究人员发现这个现象是由一场自然灾害引起的。
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3. The scientists are studying the phenomenon to better understand its causes.
科学家们正在研究这个现象，以更好地理解其原因。