greatest eastern elongation

常見例句

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。
• 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(shí)候，無須駐足等候。即便處在東大距，日落之后不到1個(gè)半小時(shí)，水星便下沉了。
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