英语词汇concave mirror怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	concave mirror
释义	concave mirror 简明释义凹面镜：一种反射面向内的镜子，能够将光线聚焦在一点上，常用于望远镜、显微镜等光学仪器中。网络释义 1 ?凹镜凹镜 2 ?凹面反射镜凹面反射镜 3 ?凹面镜凹面镜短语 1 cylindrical concave mirror 柱面凹镜 ; 柱形凹镜 2 a concave mirror 凹镜 3 concave mirror focus 凹面镜聚焦双语例句 1 His figure looks very funny in the concave mirror. 他的样子在凹镜里显得非常可笑。 2 The diameter of a sphere is four times the focal length of a concave mirror cut from it. 凹面镜如果是从圆球上切下来的，圆球的直径会是凹面镜焦距的四倍。 3 Collectively, the faces of all the tiny airborne ice crystals act as a giant concave mirror. 总的来说，所有微小的空中冰晶的面孔扮作一块巨大的凹镜。同近义词 n. [光]凹透镜 minus lens??/??diverging lens
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