由于进口猪的品种能够生产更瘦的猪肉，中国庞大人口的遗传基因已经很大程度上被完全改变了。
The genetics of China's pig population has been completely transformed in large part because imported pig breeds produce leaner meat.
由于进口猪的品种能够生产更瘦的猪肉，中国庞大人口的遗传基因已经很大程度上被完全改变了。
The genetics of China's pig population has been completely transformed in large part because imported pig breeds produce leaner meat.
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