在1965年，每年大约有50立方公里淡水流入咸海，到20世纪80年代却几乎为零。
As recently as 1965, the Aral Sea received about 50 cubic kilometers of fresh water per year-a number that fell to zero by the early 1980s.
在1965年，每年大约有50立方公里淡水流入咸海，到20世纪80年代却几乎为零。
As recently as 1965, the Aral Sea received about 50 cubic kilometers of fresh water per year-a number that fell to zero by the early 1980s.
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