Grating
01
a covering with parallel or crossed bars, used to block a passage while allowing air or light to pass
例子
The window was protected by a sturdy iron grating.
A metal grating covered the drain to prevent debris from entering.
02
a frame of iron bars designed to hold a fire in a fireplace or furnace
例子
He placed the logs carefully on the grating before lighting the fire.
The old fireplace had a cast-iron grating for cooking.
03
an optical device with many parallel grooves that disperses a beam of light or other electromagnetic radiation into its component wavelengths to produce a spectrum
例子
The physicist used a grating to study the light spectrum.
A diffraction grating split the laser beam into multiple colors.
grating
例子
His grating laughter, a discordant symphony of annoyance, echoed through the room.
他刺耳的笑声,一种不和谐的烦恼交响曲,在房间里回荡。
The rhythmic grating of the chains against the metal pole created an irritating and monotonous soundtrack.
链条有节奏地摩擦金属杆,制造出令人烦躁且单调的背景音。



























