Backcross
vt.vi. 使回交, (使)逆代杂交
✅ 同义词
🗣️ 情景例句
And have a good stay in the Big Apple.
祝您在纽约愉快。
Why are you so angry?
你为什么这样生气？
Send it the fastest possible way.
用最快的方式。