That man who you saw in the laboratory is our physics teacher.
定语从句由 who,what,that 等引导,你可以查定语从句,网上有很多这样的内容讲解哟
不明白的再问哟,请及时采纳,多谢!为什么That man is our physics teacher who you saw him in the laboratory 不对不对为什么啊 唉 我是一点不会啊你不是说不 明白的再问啊 教教我额