Backcrossed
v. 回[逆]交, 回交杂种( backcross的过去式和过去分词 )
🗣️ 情景例句
Saving them for today?
留着等今天？
My grandfather got married in 1921.
我的祖父在1921年结婚。
Do you have an appointment?
您约好了吗？