英语词汇“look-back time”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	look-back time
释义	look-back time look-back time The time elapsed since a certain redshift. look-back time [′lu̇k ‚bak ‚tīm] (astronomy) The time in the past at which the light now being received from a distant object was emitted.
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