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It is too expensive to watch Ballet and Peking opera.
芭蕾舞和京剧的票价都很贵。
youdao
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Build your own system of heavenly bodies and watch the gravitational ballet.
建立自己的天体系统，并观看重力芭蕾。
youdao
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Build your own system of heavenly bodies and watch the gravitational ballet.
建立自己的天体系统，并观看重力芭蕾。
youdao