We didn't know if the rover could climb up or down the hills of the crater.
我们不知道火星车能否爬上或爬下火山口的山丘。
-- Steve Squyres 史蒂夫·斯奎尔斯
We didn't know if the rover could climb up or down the hills of the crater.
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We didn't know if the rover could climb up or down the hills of the crater.
我们不知道火星车能否爬上或爬下火山口的山丘。
-- Steve Squyres 史蒂夫·斯奎尔斯
