Before Tianwen l, no country had ever tried to send an orbiter, a lander and a rover in one single expedition to Mars.

在“天问一号”之前，没有国家尝试过在单次火星探测中发射轨道飞行器、着陆器和探测器。

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This competition offers million to any entrant who can launch, land and operate a rover on the lunar surface.

奥德赛公司是“Google月球X大奖赛”的参赛者，该比赛将为有能力向月球发射登月飞行器的公司提供2000万美元的奖励。

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For example, if a rover on Mars needs to send data to Earth, it would first need to store the data until it was within range of an orbiting satellite.

如果有个漫游机器人在火星表面有信息传回地球，机器人会先将数据保存起来，等到卫星绕到了可以接收信号的轨道范围再发送出去；

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The Lunar Rover also had a television camera and an antenna for sending color television broadcasts back to Earth.

VOA: special.2009.07.29

The vehicle was called a lunar rover.

VOA: special.2009.07.29

China plans to send a robotic rover to the lunar surface in 2012.

VOA: standard.2010.04.21

The European Space Agency (Esa) also plans to send a rover to investigate Mars' habitability.

BBC: Water 'widespread' on early Mars

She was a passenger in a Rover car which hit the crash barrier at about midnight on Sunday.

BBC: Part of the Astra, which was

John Graham is a rover scientist at the Smithsonian's Air and Space Museum.

NPR: Mars Rover Marks Second Anniversary of Landing