"No one expected Venus to be the poisonous hell that it is, or Mars to have the river valleys that it does," he said.
“没有人能够预料到，金星是那样一个充满毒气的地狱，而火星表面却有河谷。”他说。
“No one expected Venus to be the poisonous hell that it is, or Mars to have the river valleys that it does,” he said.
“在我们进行宇宙探索之前，没有人能够预料到，金星是那样一个充满毒气的地狱，而火星表面却有河谷。”他说。
Many geological features like canyons, dried-up lakes and river channels point to the flow of liquid water in the distant past when Mars may have been warmer.
许多地质特征像峡谷，干涸的湖和河渠道，显示出了在遥远的过去，可能是火星的暖期有水流流动。
Wind River makes VxWorks, the real-time embedded systems kernel that was used in the Mars Pathfinder mission.
WindRiver 创造了VxWorks，这正是火星探路者号上运行的实时操作系统内核。
Ancient river channels and craters suggest that Mars once supported oceans of water.
远古的河道和环形山暗示了火星上曾有过水源。
Named after its designer, the renowned French architect Gustave Eiffel, the tower is located in downtown Paris, on the Left bank of the Seine river, and the northern end of the Champ DE Mars.
埃菲尔铁塔在巴黎市中心塞纳河南岸马尔斯广场北端，因法国著名建筑师古斯塔夫·埃菲尔设计建造而得名。
Named after its designer, the renowned French architect Gustave Eiffel, the tower is located in downtown Paris, on the Left bank of the Seine river, and the northern end of the Champ DE Mars.
埃菲尔铁塔在巴黎市中心塞纳河南岸马尔斯广场北端，因法国著名建筑师古斯塔夫·埃菲尔设计建造而得名。
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