Balaclava

例句：

1. 1.The policeman wore a balaclava to protect himself from the cold.
   警察戴着巴拉克拉瓦来保护自己免受寒冷。
2. 2.She put on her balaclava and went into the dark room.
   她戴上巴拉克拉瓦，走进了黑暗的房间。
3. 3.He was wearing a balaclava when he entered the building.
   他进入大楼时戴着巴拉克拉瓦。