gratings单词基本解析：

n.格栅，栅栏，格子( grating的名词复数 )

n.格栅，栅栏，格子( grating的名词复数 )；

gratings变化用词：

gratings英英释义：

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

同义词：grate

a frame of iron bars to hold a fire

同义词：grate

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

adj.unpleasantly harsh or grating in sound

同义词：gravelgravellyraspingraspyroughscratchy

gratings中文词源：

gratings用法和例句：

gratings

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