英语词汇stigmatic concave grating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	stigmatic concave grating
释义	stigmatic concave grating 【光学】凹面聚焦光栅
随便看	witches' brew witches' brews witches'-broom witches' cauldron witches' cradle witches' Sabbath witches' Sabbaths witchetty grub witchetty grubs witch grass witch grasses witch hazel witch hazels witchhood witch-hunt witch-hunting witch-huntings witch huntter witching witching hour witching hours witchingly witchings witchlike witchman

英汉双解词典包含483723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。