Backcross
vt.vi. 使回交, (使)逆代杂交
✅ 同义词
🗣️ 情景例句
But somehow I got my days mixed up and didn't realize the mistake until now.
可是不知道怎么回事，我把日期弄错了，而且到现在才知道这个错误。
A hot story is waiting in the city!
在市内有热门的消息等着我们。
'A man can never have too many ties.'
“男人有多少领带也不会嫌多。”