grating是什么意思？

N-COUNT

栅栏；格子；格栅

例句

ADJ-GRADED

（声音）刺耳的

例句

n.

格栅,栅栏,格子

Noun

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

2. a frame of iron bars to hold a fire

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

Adjective

1. unpleasantly harsh or grating in sound;