地球上超过97%的水是海水，在盐分去除之前是不能饮用的。
More than 97 percent of Earth's water is in the oceans, but that vast reservoir is undrinkable unless the salt is removed.
地球上超过97%的水是海水，在盐分去除之前是不能饮用的。
More than 97 percent of Earth's water is in the oceans, but that vast reservoir is undrinkable unless the salt is removed.
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