Backcrossing
v. 回[逆]交, 回交杂种( backcross的现在分词 )
✅ 同义词
🗣️ 情景例句
That'll cheer you up.
这样会让你舒畅些。
Has your company done any research in this field?
请问贵公司对此范畴做了任何研究吗？
Yes, it is.
是啊。