women's loose-fitting knee-length knickers, considered old-fashioned 女式齐膝宽松衬裤 ■(historical)women's and girls' loose-fitting trousers, gathered at the knee or, originally, the ankle (史)女式齐膝灯笼裤;女式长灯笼裤
语源
mid 19th cent.: named after Mrs Amelia J. Bloomer (1818–94), an American social reformer who advocated a similar garment