His quixotic plan to build a castle in the sky was met with skepticism.
他那不切实际的在天空中建造城堡的计划遭到了怀疑。
The tooth fairy then adds the tooth to a special part of her all-white tooth castle in the sky.
仙女将牙齿添加到空中的白色牙齿城堡上。
词典释义:
空中楼阁
His quixotic plan to build a castle in the sky was met with skepticism.
他那不切实际的在天空中建造城堡的计划遭到了怀疑。
The tooth fairy then adds the tooth to a special part of her all-white tooth castle in the sky.
仙女将牙齿添加到空中的白色牙齿城堡上。