Backcrossing
v. 回[逆]交, 回交杂种( backcross的现在分词 )
✅ 同义词
🗣️ 情景例句
I'm so sorry.
很抱歉。
Let me think it over,and I'll let you know later.
让我考虑一下，回头再告诉你吧。
They're better when they're hot.
趁热吃更好。