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来源:雅诚德英语网
Any manned mission to other planets, such as Mars, could endanger astronauts' health if the risks of exposure are not fully known.
如果对曝露的风险不完全了解,任何去其它行星(如火星)的载人探测任务都可能危及宇航员的健康。
Any manned mission to other planets, such as Mars, could endanger astronauts' health if the risks of exposure are not fully known.
如果对曝露的风险不完全了解,任何去其它行星(如火星)的载人探测任务都可能危及宇航员的健康。