第三人称单数:backcrosses
第三人称复数:backcrosses
现在分词:backcrossing
过去分词:backcrossed
过去式:backcrossed
名词回[逆]交,回交杂种
及物动词使回交
不及物动词回交
1. 回交:2.同源导入近交系动物的保种和生产 同源导人近交系简称同源导入系,有时又译为基因导人系,是通过杂交与互交
2. 后胸阔:BACKCOVERFRONT后搭前 | BACKCROSS后胸阔 | BACKMID-ARMHOLE后背宽
3. 回交,反交:backbone 脊柱 | backcross 回交,反交 | backswimmer 仰泳
verb
1. mate a hybrid of the first generation with one of its parents