grating

名词 grating:

1. a barrier that has parallel or crossed bars blocking a passage but admitting air
   同义词：grate
2. a frame of iron bars to hold a fire
   同义词：grate
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
   同义词：diffraction grating

动词 grate:

1. furnish with a grate
   同义词：grate
2. gnaw into; make resentful or angry
   同义词：eat into, fret, rankle, grate
3. reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface
   同义词：grate
4. make a grating or grinding sound by rubbing together
   同义词：grate, grind
5. scratch repeatedly
   同义词：scrape, grate

形容词 grating:

1. unpleasantly harsh or grating in sound
   同义词：gravel, gravelly, rasping, raspy, rough, scratchy

1. A framework of crisscrossed or parallel bars; a grating or mesh.
   格栅，网栅由交叉或平行的条构成的架子，格栅或网格
2. A structure for confining birds or animals, enclosed on at least one side by a grating of wires or bars that lets in air and light.
   笼，栏一种用于限制鸟类或动物的结构，至少有一面由绳子或条子组成的栅栏构成，供空气和光亮进入
3. Harsh or grating sound; discord.
   刺耳的声音刺耳的碰撞声或摩擦声; 不和谐
4. A grating of iron or wooden bars or slats, suspended in the gateway of a fortified place and lowered to block passage.
   格子吊闸由铁条、木条或其板条组成的闸门，悬于一城堡的入口处，可降下而堵住入口通道

grat.ing

n.（名词）
A grill or network of bars set in a window or door or used as a partition; a grate.
格栅：由杆做成的栏栅或框架，置于窗内或门上用作隔离物；格栅
A diffraction grating.
衍射光栅