英语词汇focal length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 length
释义	focal lengthBrE /ˌfəʊkl ˈleŋθ/NAmE /ˌfoʊkl ˈleŋθ/ noun (physics 物理) the distance between the centre of a mirror or a lens and its focus 焦距
随便看	ratten rattier rattiest ratting rattle rattle around rattle around rattle around something rattle around sth rattle around sth rattle cage rattled rattle off rattle off sth rattle on rattle on about rattle on (about sth) rattler rattles rattle's rattle sb's cage rattlesnake rattlesnakes rattle sth off rattle sth↔off

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