n. 1.格栅，格子；(船上作地板或透光用的)格子板，格子盖。 2.【物理学】光栅。 短语和例子 diffraction grating衍射光栅，绕射栅。 echelette grating红外光栅。 wire grating线栅。 adj. 刺耳的，使人烦躁的，讨厌的。 n. 摩擦，摩擦声。 adv. -ly
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,
a frame of iron bars to hold a fire 同义词：grate,
a barrier that has parallel or crossed bars blocking a passage but admitting air 同义词：grate,
unpleasantly harsh or grating in sound; "a gravelly voice" 同义词：gravelly, rasping, raspy, rough, scratchy,
A grating is any regularly spaced collection of essentially identical, parallel, elongated elements. Gratings usually consist of a single set of elongated elements, but can consist of two sets, in which case the second set is usually perpendicular to the first (as illustrated).
例句与用法
1.
It is her ingratitude that grates on me . 是她的忘恩负义把我惹火了。
2.
The grating spectrograph is built in two designs . 光栅摄谱仪有两种类型。
3.
A small coal fire burned in the grate . 炉子里生着小小的煤火。
4.
The names grated on my ear . 这些名字使我听起来觉得很不顺耳。
5.
The grating are made of rods or wire . 光栅由金属或丝制造。
6.
A fire was burning merrily in the grate . 壁炉里炉火很旺。
7.
His bad manners grate on my nerves . 他没有礼貌让我心烦。
8.
The atrocious name grated harshly on my ear . 这十恶不赦的名字，在我听来非常刺耳。
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