the ballon with which we travelled was filled with hot air这句中with和which的功能,去掉行么

the ballon with which we travelled was filled with hot air这句中with和which的功能,去掉行么
the ballon with which we travelled was filled with hot air这句中with和which的功能,去掉行么

the ballon with which we travelled was filled with hot air这句中with和which的功能,去掉行么
不能去掉,with which 做方式状语
we travelled with the ballon【which代替the ballon】
如果去掉
the ballon we travelled was filled with hot air.这样句意不通.the ballon 和 we travelled无法连接
翻译：我们旅行乘坐的气球被填满了热空气

不行。travel在这里是不及物动词，需要用with来连接ballon