英语词汇三焦距是什么意思，三焦距的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	三焦距
释义	DEFINITIVE EXAMPLES 权威例句〔trifocal〕A lens having three focal lengths.三焦距透镜美国传统〔trifocal〕Having three focal lengths.三焦距的：有三个焦距的美国传统
随便看	protecting film protecting glass protecting grill protecting group protecting hood protecting housing protecting mask protecting means protecting sea communication protecting shell protecting sleeve short protecting state protecting tape protectingly protection Protection protection protection protection protection addressing protection against protection against protection against overpressure protection and indemnity protection and indemnity clause

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