基本解釋[天文學]東距角[測繪科學技術]東距角東大距英漢例句雙語例句The eastern edge of Willow River seem to elongation, and fluttered in the breeze.東面緣河兩岸的楊柳似乎也伸長了，迎風招展。Don't tarry when looking for Mercury. Even at its greatest eastern elongation, Mercury sets less than 1.5 hours after the sun tonight.在尋找水星的時候，無須駐足等候。即便處在東大距，日落之后不到1個半小時，水星便下沉了。At greatest eastern elongation, Mercury swings farthest east of the sun, and briefly appears as an evening "star" after sunset.這是水星是最大程度的在太陽東部的延伸，這是今晚日落后最簡短的一次顯示。eastern elongation更多例句詞組短語短語eastern greatest elongation 東大距greatest eastern elongation 東大距grestest eastern elongation 東大距test eastern elongation 內行星elongation greatest eastern 最大東距角eastern elongation更多詞組專業(yè)釋義天文學東距角測繪科學技術東距角東大距