☉ 良种 【liánɡzhǒnɡ】
[ better strains of seed improved variety fine seed strain high-quality seed picked seeds fine breed ] 优良的品种。
例: 良种奶牛
例: 玉米良种
[ better strains of seed improved variety fine seed strain high-quality seed picked seeds fine breed ] 优良的品种。
例: 良种奶牛
例: 玉米良种
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