Down light 筒灯 ; 向下照的灯 ; 大堂射灯
HALOGEN DOWN LIGHT 洗墙灯 ; 卤素射灯
LED down light 天花灯 ; 筒灯
down- light 筒灯
universal down light 通用筒灯
gear-down light 起落架入下信号灯
DOWN LIGHT SERIES 筒灯系列
Because the crystal bends light much more strongly than air does, light should have bounced off the holes and traveled down a channel that had been left clear of holes.
由于晶体比空气更能弯曲光线,光会从小孔上反射回来,从而沿着没有小孔的通道传播。
Because light traveling down from a summit passes through many such layers, a surveyor could sight a mirage rather than the peak itself.
因为从山顶向下传播的光会穿过许多这样的层,所以测量员看到的可能是海市蜃楼而不是山峰本身。
When I looked out into the backyard, I could see a spotlight hanging down from a tree. Under the light, I could see that my husband had set up a table saw.
我朝后院望去,看到一个聚光灯从树上垂下来,我丈夫在灯下摆了一架台锯。
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