The computer screen is covered with dust.
电脑屏幕上扑满了灰尘。
In the room where the electronic computer is kept, there must be no dust at all.
在存放电子计算机的房间里，不能有一点灰尘。
TV, computer, dust mask, many people take for granted.
电视机、电脑上蒙了灰尘，很多人会视而不见。
Avoid using this computer in extreme cold, heat, dust or humidity.
不要在过冷、过热、灰尘过多、湿度过大的情况下使用这台电脑。
Avoid using this computer in extreme cold, heat, dust or humidity.
不要在过冷、过热、灰尘过多、湿度过大的情况下使用这台电脑。
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