名词
中文翻译：Unknown
同义词：
['pretend activity', 'feigned activity', 'make-believe activity']
例句：
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1. They were pretending to be doctors when they arrived at the hospital.
当他们到达医院时，他们假装是医生。
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2. The children were making-believe that they were superheroes.
孩子们假装他们是超级英雄。
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3. She was pretending to be a doctor when she went to the emergency room.
她在去急诊室的时候假装自己是医生。