Imagine that you left earth before coronavirus and returned this week. That is pretty much what has happened to a team of 87 people on board the icebreaker Polarstern, who spent the past six months doing climate research in the Arctic and arrived back on land a few days ago.
想象一下，你在新型冠状病毒肺炎（COVID-19，即2019冠状病毒病）疫情爆发前离开了地球，在最近回来了。这就很像破冰船“极星号”(Polarstern)上87人的遭遇，过去6个月他们在北极进行气候研究，不久前才返回陆地。
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