加more  , most  例句  1.Some  concussions  are  more  severe  than  others. 某些脑震荡后果较常规更为严重. 2.But  drought  conditions  have  been  most  severe  in  the  south. 但在南方干旱已达到最恶劣的程度. 希望对你有帮助  如有疑问  请在线交谈  祝你天天开心  心想事成  O(∩_∩)O  ...
severe的比较级到底是加er还是more啊?