The hall was empty, and they had a grand polka, for Laurie danced well, and taught her the German step, which delighted Jo, being full of swing and spring.
走廊空无一人，他们在那里尽兴地跳了一曲波尔卡舞。 劳里跳得很好，他教乔跳德国舞步，这种舞步活泼轻快，乔十分喜欢。
Running the MyBooks application at this point would give you an empty application since none of the Swing components are bound to any data.
如果我们现在运行 MyBooks 应用程序，会发现应用程序还没有数据内容，因为所有的 Swing 组件都尚未和数据绑定。
The hall was empty, and they had a grand polka, for Laurie danced well, and taught her the German step, which delighted Jo being full of swing and spring.
那条长长的门厅空荡荡的，他们跳了一支很棒的波尔卡，因为劳瑞的舞跳得很棒，他还教乔跳德国舞步，德国舞步的旋转和弹跳让乔心花怒放。
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