backcrossing 📖 中文释义 v. 回[逆]交, 回交杂种( backcross的现在分词 ) 🔗 释义中的汉语词回交 🧩 词形变化 原形 backcross 📘 English Definition(英文释义) v mate a hybrid of the first generation with one of its parents ← backcrosses B 字母词表 backcycling →