planum

基本解释

Despite being separated by thousands of kilometers, Martian soils from Gusev Crater and Meridiani Planum have proved broadly similar in parts—rich in chlorine and sulfur.
盡琯古瑟夫環形山和子午線平原相距數千公裡，但業已証實：來自兩地的火星土壤有些成分極其相似—均富含氯和硫磺。
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Landing in 2004 in Meridiani Planum, the robotic Opportunity has embarked on its longest and most dangerous trek yet, now aiming to reach large Endeavor Crater sometime next year.
2004年著陸於子午平原，機器人機遇號開始了它最長最危險的遊歷，目前它正意圖在明年某個時候到達巨大的奮進環形山。
On the other side of the planet, Spirit's twin, Opportunity, has been having its own solar-powered adventures, driving around and analysing rocky features on an expanse called the Meridiani Planum.
在火星的另一耑，勇氣號的“好兄弟”—機會號已經靠自己的太陽能發電裝置在一個叫"子午麪"(Meridiani Planum)的寬濶地域工作了許久，四処探測，竝分析巖石的特征。