- (also dust jacket)
a paper cover on a book that protects it but that can be removed 防尘罩；防尘套 a hard or soft plastic cover on a piece of equipment, etc. that protects it when it is not being used 防尘罩；防尘套 It's a good idea to put a dust cover over your computer at night. 在晚上为计算机盖上防尘罩是个好主意。 We spread dust covers over the furniture while the builders were in. 建筑工人在里面工作时，我们用防尘罩盖 傢具。
- (also dust sheet (both British English), North American English drop cloth)
a large sheet that is used to protect floors, furniture, etc. from dust or paint （地板、家具等的）防尘罩，苫布