Backcrossing
v. 回[逆]交, 回交杂种( backcross的现在分词 )
✅ 同义词
🗣️ 情景例句
Use your head.
动动你的大脑。
Marry thy like.
跟你情投意合的人结婚。
But how would we find such a planet? At present, there is no telescope in existence that is capable of detecting the presence of life.
但是，我们如何才能找到这样一颗行星呢？现在，没有一台现存的望远镜可以发现生命的存在。