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来源:雅诚德英语网
The unusual cold might have been driven at least partly by the Arctic Oscillation (AO).
这不寻常寒冷的一部分原因可能由于是北极涛动(AO)。
The unusual cold might have been driven at least partly by the Arctic Oscillation (AO).
这不寻常寒冷的一部分原因可能由于是北极涛动(AO)。