triple petticoat bell shaped insulator

例句：

1. 1. She wore atriple petticoat to the party.
   她穿着三层胸衣去参加派对。
2. 2. Thedress is made of silk, with atriple petticoat underneath.
   这件衣服是用丝绸做的，下面有一层三层胸衣。
3. 3. The woman's outfit was atriple petticoat and a long dress.
   这位女士的装扮是三层胸衣和一条长裙。