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	saucy sauerkraut sauna saunter saunter sausage sauté sauté savage savage savage savagely savagery savannah save save save save save save -saver saver -saving saving savings

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