英语词汇focal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	focal
释义	fo.cal HfEJ7k[l, $5foJ- adj [not gradable] (specialized) The distance between a point where waves of light meet and the centre of a LENS is called the focal length. 焦距
随便看	play down played-out player player player playful playful playfully playfulness playfulness playground playground playhouse playhouse playmate play off playpen playroom playschool plaything playtime play up play up playwright plaza

英汉双解词典包含44095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。