The biggest concern is what might happen in the Arctic, says co-author Ed Dlugokencky, a research chemist at the National Oceanic and Atmospheric Administration in Boulder, Colorado.
文章的共同作者，国家海洋和大气管理局的化学家EdDlugokencky说最大的影响或许发生在北极。
The biggest concern is what might happen in the Arctic, says co-author Ed Dlugokencky, a research chemist at the National Oceanic and Atmospheric Administration in Boulder, Colorado.
文章的共同作者，国家海洋和大气管理局的化学家EdDlugokencky说最大的影响或许发生在北极。
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