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美国研制出低糖西瓜美国研究人员研制出一种低糖西瓜。这种低糖西瓜由美国农业部农业研究服务局研究人员研制而成。研究证实,
The United States developed a low-sugar watermelon US researchers developed a low-sugar watermelon. This low-sugar watermelon was developed by researchers from the Agricultural Research Service of the U.S. Department of Agriculture. Research confirmed that,