基本解释n.杂种优势；混种盛势同根派生 英汉例句用作名词 (n.)Kenaf is one of the most important fibre crops, with obvious heterosis.摘要红麻是一种重要的纤维作物，杂种优势显著。There were some transgressive progenies in hybrids which exhibited heterosis.杂种后代存在超亲子代，表现一定的杂种优势。