So far it has been shown only in lab experiments, but there’s already some indication that influenza has evolved a special capacity for surviving cold.
到目前为止，实验还仅限于实验室，不过，已经有迹象表明病毒已经进化出了一种能在寒冷中生存的能力。
Investigating each idea 'will take place on paper and in lab experiments, since we don't have the money to do more than that, ' said Wolfram Lork, who works with a subsidiary on the project.
该项目辅助机构研究员沃尔夫拉姆•洛克说，对每个构想进行调查研究“将会在论文和实验室层面上进行，因为我们没有经费去做更多的事”。
"In lab experiments, you're able to control for all factors except the one you're studying, " said Dr. Willingham. "Not true in the classroom, in real life.
“在实验室做实验，除了研究对象之外，其他的所有因素都在你掌控之内，” 威林厄姆博士说，“但是在教室里，在现实生活中却并非如此。
"In lab experiments, you're able to control for all factors except the one you're studying, " said Dr. Willingham. "Not true in the classroom, in real life.
“在实验室做实验，除了研究对象之外，其他的所有因素都在你掌控之内，” 威林厄姆博士说，“但是在教室里，在现实生活中却并非如此。
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