英语词汇“extension tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	extension tube
释义	WordReference Random House Unabridged Dictionary of American English © 2024 exten′sion tube′, [Photog.] Photographyany of a series of tubes of varying lengths placed between the lens and a camera body to facilitate closeup focusing. 1955–60
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