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单词改良品种
例句 DEFINITIVE EXAMPLES 权威例句〔culture〕The breeding of animals or growing of plants, especially to produce improved stock.养殖:对动物的饲养或植物的种植,尤指为了产生改良品种美国传统〔grade〕A domestic animal produced by crossbreeding one of purebred stock with one of ordinary stock.改良品种:一种家畜,由一个纯种家畜和一个普通家畜杂交得到美国传统〔grade〕To improve the quality of (livestock) by crossbreeding with purebred stock.改良品种:与纯种家畜杂交来改良(家畜)品质美国传统〔upgrade〕To improve the quality of (livestock) by selective breeding for desired characteristics.改善品质,改良品种:通过为得到所希望的特征而进行的有选择的交配而改善(牲畜)的品质美国传统
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