I get it. RTGs are good for spacecraft, but if they rupture around humans...no more humans. Which is why we buried it when we arrived.
放射性同位素热电机对航天器是好东西,但要是泄漏了,附近的人类就连渣都不剩。所以一着陆我们就把它埋了起来。
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。