为了再次飞抵火星，宇航局研究人员现在正在争取一个新版本的列文实验。
NASA researchers are calling for a new version of Levin's experiment to be flown to Mars.
和小薇一样，许多年轻人发现使用火星文，各种复杂的表情符号以及怪异的来电铃声这种在职场中并不受欢迎。
Like Xiao Wei, many youngsters find that their use of trendy online slang, elaborate emoticons and wacky cell phone ring tones may not be appreciated in the workplace.
执行这次任务的科学家们都一致认为：如果列文在登陆舱上安装的仪器从土壤中发现含有碳14的沼气，那么，火星上就一定有生命。
The mission's scientists have all agreed that if Levin's instruments on board the landers detect emissions of carbon-14-containing methane from the soil, then there must be life on Mars.
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