Backcross mating
[医] 回交, 逆代杂交
🧩 词语组成解析
vt.vi. 使回交, (使)逆代杂交
n. 交配\\n[化] 配套; 交配
🗣️ 情景例句
Are you making progress?
你有进展吗？
A barking dog is better than a sleeping lion.
吠犬胜于睡狮。
No problem! Tell me, do I have to take them before or after meals?
“那不难！告诉我，我是在饭前还是饭后吃呢？”