extension中文什么意思

n.
1.伸长，伸展，延长，延伸，扩展，扩大；广度，范围。
2.延期；〔美国〕(房屋的)增建部分，(铁路等的)延长线，(电话的)分机；增设部分；附加物。
3.(语句等的)铺张。
+更多解释...4.【物理学】广延性。
5.【军事】延伸。
6.【医学】牵伸术；伸直；(病变)蔓延，扩展。
7.【商业】延期还债认可书。
8.【逻辑学】外延(opp. intension)； 【数学】开拓；广延性。
9.会计从另一栏转来或算出的金额。
短语和例子
an extension of a loan 借款的延期偿还。 a university extension 大学的附设部分(如函授班、夜校等)。

• by extension:    按扩展名
• extension; extension telephone:    分机
• abelian extension:    阿贝耳扩张

例句与用法

更多例句：  下一页

1. His fantasies found extension in reality .
   他的幻想可以在现实中延伸。
2. Extension of the injured arm was painful .
   把受伤的胳膊伸展开是很疼的。
3. He has got an extension to finish writing his thesis .
   他获准延期交论文。
4. There are telephone extensions in every office .
   每间办公室都有电话分机。
5. The note supplied a phone number and extension .
   便笺上写着电话和分机的号码。

英文释义

名词

1. act of expanding in scope; making more widely available; "extension of the program to all in need"
2. act of stretching or straightening out a flexed limb
3. an educational opportunity provided by colleges and universities to people who are not enrolled as regular students
   同义词：extension service, university extension
4. an addition that extends a main building
   同义词：annex, annexe, wing
5. an addition to the length of something
   同义词：elongation
6. an additional telephone set that is connected to the same telephone line
   同义词：telephone extension, extension phone
7. amount or degree or range to which something extends; "the wire has an extension of 50 feet"
   同义词：lengthiness, prolongation
8. the ability to raise the working leg high in the air; "the dancer was praised for her uncanny extension"; "good extension comes from a combination of training and native ability"
9. the most direct or specific meaning of a word or expression; the class of objects that an expression refers to; "the extension of `satellite of Mars'' is the set containing only Demos and Phobos"
   同义词：reference, denotation
10. the spreading of something (a belief or practice) into new regions
    同义词：propagation
11. a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename; "most applications provide extensions for the files they create"; "most BASIC files use the filename extension .BAS"
    同义词：filename extension, file name extension
12. a mutually agreed delay in the date set for the completion of a job or payment of a debt; "they applied for an extension of the loan"