n.波尔卡舞;女用紧身短上衣;
例句:
The couple danced a polka.
那一对跳了个波尔卡舞.
This polka you and I have been doing for a while.
你和我玩了有一阵子小把戏.
Is the polka often danced nowadays?
波尔卡舞现在还常有人跳 吗 ?