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diffraction grating
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diffraction grating
noun
a plate of glass or metal ruled with very close parallel lines, producing a spectrum by diffraction and interference of light
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overseas adv.在[向]海外,在[向]国外 adj.(在)海外的,(在)国外的,(向或来自)外国的
oversee vt.监督,监视,俯瞰,错过,宽恕,省略
overseer n.监工,监督者
oversell v.销售过多,卖空,吹嘘过度
overset v.打翻,颠覆,推翻,为…排版过密
oversew vt.缝合
oversexed adj.性欲过剩的
overshade v.遮蔽,使…失色
overshadow vt.使失色,使阴暗,夺去…的光辉,遮阴
oversharp adj.过于敏锐的,轮廓过于清晰的
overshirt n.(通常穿在衬衫外的)外套式衬衫
overshoe n.套鞋
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