Backcross
vt.vi. 使回交, (使)逆代杂交
✅ 同义词
🗣️ 情景例句
Do you think they're open?
你们说现在还开门吗？
I think it's going to break soon.
我认为它将很快被打破。
Three quarters of the world's books and newspapers are written in English.
3/4的书籍和报纸是用英语写的。