berdache

例句：

1. 1. She wore a blue berdache to the party.
   她穿着一件蓝色的背心去参加派对。
2. 2. He put on his berdache and went out for a walk.
   他穿上他的背心，出去散步了。
3. 3. The berdache was made of wool and had a drawstring closure.
   这件背心是用羊毛做的，有一个拉链闭合。