她所拍的东西中最古老的要数西伯利亚的放线菌了。 根据DNA分析他们的年龄在40万年到60万年之间。
The oldest thing she has photographed are Actinobacteria from Siberia that DNA analysis has put at between 400, 000 and 600, 000 years old.
由东西伯利亚北极大陆架很浅，甲烷根本没有足够的时间来氧化，这意味着有更多的甲烷释放到大气中。
In the shallow East Siberian Arctic Shelf, methane simply doesn't have enough time to oxidize, which means more of it escapes into the atmosphere.
研究人员研究了东西伯利亚北极大陆架，西伯利亚以北的北冰洋的一段。
The researchers studied the East Siberian Arctic Shelf, a section of the Arctic Ocean just north of Siberia.
应用推荐