1 PREFIX （用于动词和名词前构成新的动词和名词）表示“再”，“又”（如，re-read（再读一次），re-election（再次选举）） Re- is added to verbs and nouns to form new verbs and nouns that refer to the repeating of an action or process. For example, to 're-read' something means to read it again, and someone's 're-election' is their being elected again. （用于动词和名词前构成新的动词和名词）表示“再”，“又”（如，re-read（再读一次），re-election（再次选举））

2 PREFIX （用于动词和名词前构成新的动词和名词，表示与前一动作或过程相反的动作或过程，如reappear（消失后再次出现），regain（失去后重新得到）） Re- is added to verbs and nouns to form new verbs and nouns that refer to a process opposite to one that has already taken place. For example, to 'reappear' means to appear after disappearing, and to 'regain' something means to gain it after you have lost it. （用于动词和名词前构成新的动词和名词，表示与前一动作或过程相反的动作或过程，如reappear（消失后再次出现），regain（失去后重新得到））

3 PREFIX （用于动词和名词前构成新的动词和名词，表示位置或状态的改变，如relocate（重新安置），rearrange（重新安排）） Re- is added to verbs and nouns to form new verbs and nouns which describe a change in the position or state of something. For example, to 'relocate' something means to locate it in a different place and to 'rearrange' something means to arrange it in a different way. （用于动词和名词前构成新的动词和名词，表示位置或状态的改变，如relocate（重新安置），rearrange（重新安排））