名词
中文翻译：Unknown
同义词：
['purebred', 'selective breeding', 'pure-breeding', 'selective breeding']
例句：
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1. The breeder is dedicated to producing high-quality pedigree dogs.
这个繁育者致力于培育高质量的纯种狗。
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2. The farmer carefully selects the best plants for their pedigree breeding program.
这位农民仔细挑选出最适合他们纯种育种计划的最佳植物。
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3. The pedigree breeding of this breed has resulted in a unique and desirable appearance.
这种品种的纯种繁育已经产生了一种独特且吸引人的外观。