grating 1

（门窗的）格栅，格子

grating 2

刺耳的；刺激人的

grating

门窗的栅栏, [物理]光栅, 摩擦, 摩擦声

刺耳的

grating

1. a barrier that has parallel or crossed bars blocking a passage but admitting air

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2. a frame of iron bars to hold a fire

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3. optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum

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1. unpleasantly harsh or grating in sound; "a gravelly voice"

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