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Grating
01
a grid-like structure made of bars or slats, used for flooring, ventilation, or safety purposes
02
a frame of iron bars to hold a fire
03
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
例子
The grating noise of the metal door hinges echoed through the empty hallway.
The rhythmic grating of the chains against the metal pole created an irritating and monotonous soundtrack.
A distinctive and grating noise filled the air as the Styrofoam pieces rubbed against each other.
