基本解釋[交通運輸工程]大距英漢例句雙語例句Mercury – the solar system's innermost planet – is at its greatest eastern elongation today.水星——太陽系最里面的行星—今天是東部最大的延伸。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。By the time it arrives at its greatest elongation, it will appear roughly half-illuminated and the amount of its surface illuminated by the Sun will continue to decrease in the days to come.在它到達最大距角（elongation）時，它將看上去大概為半明亮、被太陽照明的部分將在持續(xù)日子里減少。bbs.chinadaily.com.cngreatest elongation更多例句詞組短語短語greatest eastern elongation 東大距greatest western elongation 西大距greatest weatern elongation 英語eastern greatest elongation 東大距elongation greatest western 最大西距角greatest elongation更多詞組專業(yè)釋義交通運輸工程大距