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。

youdao

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。

youdao

The tops of the foldable step stools have white polka dots and were sold as a set of two, including 9-inch and 15-inch stools.

折叠梯凳的顶部带有白色的圆点，并且是以两个一套售出的，包括9英寸的和15英寸的凳子。

youdao

James Turrell's light installations toy with your sense of space and dimension, and Yayoi Kusama makes your reflection part of the art when you step inside her mirror-clad, polka dot mannequin room.

BBC: From Warhol to Wright: An arty trip through Pennsylvania