动词短语
中文翻译：向某人挥手
同义词：
['wave to', 'wave hello', 'wave goodbye']
例句：
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1.He was waving at the bus as it drove past.
当公交车驶过时，他在向它挥手。
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2. She waved at the stranger on the street.
她在街头向那个陌生人挥手。
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3. The children were playing with their friends, waving at each other.
孩子们正在和他们的朋友玩耍，互相挥手。