backcrosses 📖 中文释义 v. 回[逆]交, 回交杂种( backcross的第三人称单数 ) 🔗 释义中的汉语词回交 🧩 词形变化 变形 s3原形 backcross 📘 English Definition(英文释义) v mate a hybrid of the first generation with one of its parents ← backcrossed B 字母词表 backcrossing →