black dusters

例句：

1. 1. The black dusters are designed to protect against the sun's harmful UV rays.
   这些黑色防尘罩旨在保护免受太阳有害的紫外线辐射。
2. 2.He wore a black duster over his suit to keep warm in the cold weather.
   他在寒冷的天气里穿着一件黑色的大衣，以保持温暖。
3. 3. The black dusters were so thick that they blocked out all light from the outside world.
   这些黑色的防尘罩非常厚重，以至于它们挡住了外界的所有光线。