名詞 revision:

1. the act of revising or altering (involving reconsideration and modification)
   同義詞：alteration
2. the act of rewriting something
   同義詞：revisal, revise, rescript
3. something that has been written again
   同義詞：rewrite, rescript

1. Friday afternoons are left free for revision.
   留出星期五下午的時(shí)間做復(fù)習(xí)。
2. She matured her novel by constant revision.
   她不斷修改自己的小說以使其趨于完善。
3. Formal revision of, addition to, or change, as in a bill or a constitution.
   修正案，修正條款對法案、憲法的正式修改、增補(bǔ)或改變
4. The catalogue is under revision.
   目錄正在修訂之中。
5. Our budget needs drastic revision.
   我們的預(yù)算需作重大修改。

re.vi.sion

n.Abbr. rev.（名詞）縮寫 rev.
The act or process of revising.
修訂：修訂的行為或過程
A revised or new version, as of a book or other written material.
修正版：修訂版或新版，如書或其它書寫材料

【引伸】
revi.sionar.y
adj.（形容詞）