英语词汇astigmatism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	astigmatism
释义	N34492110astigmatismSpoken.3Fiction.6Magazine.69Newspaper.8Academic.24 astigmatism /əˈstɪgmətɪzəm/ noun mass noun a defect in the eye or in a lens caused by a deviation from spherical curvature, which results in distorted images, as light rays are prevented from meeting at a common focus 散光。派生词 astigmatic /ˌæstɪgˈmætɪk/ adjective 词源 mid 19th cent.: from A-¹ 'without' + Greek stigma 'point' + -ISM.
随便看	lay claim to something lay down arms lay down one's arms lay down one's life lay down the law lay down the law layer layer cake layering layer-out layette lay eyes on lay figure lay hands on lay hold of lay into lay it on the line lay it on the line layman lay odds lay-off lay off lay oneself out to do something La'youn layout

英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

astigmatism