英语词汇“a tropical year”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	a tropical year
释义	a tropical year 基本例句回归年 A tropical year is a measurement of time from one winter solstice to the next.回归年是指从一年冬至到下一年冬至的时间段。
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