defence protection作名词保护时有何区别?

moisture damp wet humidity作名词使用时有何区别? 英语中动名词与其本身动语作名词的区别,如swim和swimming同作名词时有何区别 work和working都作名词时有什么区别? smoke和smoking在作名词时有什么区别? slow 和slowly同作副词时有何区别 direction ,和instruction作说明书时有何区别? stand,suffer作‘容忍’解释时有何区别 offer和supply作"东西"解时有何区别? to do,doing,done,作定语时有何区别? check和cheque作“支票”解时有何区别? question与ask作动词“提问”时有何区别 classic和classical作形容词时有何区别?