selective breeding of plants
常见例句
- Thousands of years of selective breeding have produced extensive genetic changes in the plants and animals we eat, not all of them good.
數千年的選擇性培育已經造成了食用植物和動物廣泛的基因改變，竝非所有的改變都是好的。 - At one time or another, indigenous people in tropical Africa and South America knew how to cultivate and prepare nutritious food by selective breeding of as many as 30, 000 species of plants.
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