Backcross
vt.vi. 使回交, (使)逆代杂交
✅ 同义词
🗣️ 情景例句
She told the boss the was quitting.
她告诉老板说她打算辞职。
You are still thinking about a Ph.D., aren't you?
你还是想学成博士，是吗？
As a matter of fact, we would like to discuss internally regarding item B.
事实上，我们希望可以先内部讨论B项议题。