Please unplug the TV before you go to bed.临睡前请拔下电视机的插头.Unplug from these connections while you're working on your single task.远离这些联系,当你在为你的单一工作而努力的时候.unplug the refrigerator关掉冰箱Unplug the combination flasher from th...
The light is resolved by prisms, gratings, or by an interferometer.光线用棱镜 、 光栅或干涉仪分解.Many of the roofs were so full of holes that they looked like gratings.许多屋顶千穿百孔,象筛子一样.All gratings shall lie flat with no tendency to ro...