詞匯

1.?????????????unveil??透露

2.?????????????Mars rover??火星探測器

3.?????????????independent??獨立的

4.?????????????mission?任務(wù)

5.?????????????solar panel?太陽能電池板

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Tianwen 1 Mars rover

The China National Space Administration unveiled on Wednesday details of the nation's first Mars rover, which will be part of the country's first independent Mars mission Tianwen 1. The rover is 1.85 meters tall and weighs about 240 kilograms. It has six wheels and four solar panels and will be able to move at 200 meters per hour on Mars.