单词	sidereal year
释义	sidereal year noun plural sidereal years : the time in which the earth completes one revolution in its orbit around the sun measured with respect to the fixed stars : 365 days, 6 hours, 9 minutes, and 9.5 seconds of mean time The light-year is defined as the distance light travels in 1 sidereal year … William D. Johnstone Word History First Known Use 1765, in the meaning defined above
随便看	tiddle tiddled tiddledies tiddledywink tiddledywinks tiddler tiddlers tiddles tiddleywink tiddlier tiddliest tiddling tiddly tiddlywink tiddlywinks tiddy tide tide boat tide crack tide day tide gage tide gate tide line tide lock tide mill

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