朋友,你把most去掉就能理解了
what's interesting about it is.
这里的most就是一个副词,不是最高级形式.
most表示“极其,非常”
例句
most
极其
adv.We heard a most interesting talk about Japan.
adv.我们听了一个关於日本的最有趣的谈话.
adv.I received a most unusual present from my aunt.
adv.我收到姨母给我的一件极不寻常的礼物.