不可以,拆成两个句子: this is the hotel we are staying at this hotel 组合成一个句子,就是This is the hotel at which we're staying.或This is the hotel where we're staying. at which=where 如果去掉,可以把at which同时去掉,即This is the hotel we're staying.但不能只去which。 前面有介词的从句,which均不可单独省略。