名词短语
中文翻译：空中城堡
同义词：
['sky castle', 'castle in the sky例句：1. They built a castle in the air and invited everyone to come visit.（他们在空中建造了一个城堡，邀请大家来参观。）']
例句：
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1. They built a castle in the air and invited everyone to come visit.
他们在空中建造了一个城堡，邀请大家来参观。
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2.The castle in the air is just a dream for now.
空中的城堡现在只是一个梦想。
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3. She was so excited that she thought she had found a castle in the air.
她非常兴奋，以为找到了一个空中城堡。