Backcrossing
v. 回[逆]交, 回交杂种( backcross的现在分词 )
✅ 同义词
🗣️ 情景例句
I have approximately three-year experience using a computer.
我有大约三年操作电脑的经验。
The wife is the key of the house.
妻子是一家的钥匙。
I seldom have any difficulties.
我很少碰到困难。