extension
英 [ɪk'stenʃ(ə)n; ek-]
美[ɪk'stɛnʃən]
- n. 延长；延期；扩大；伸展；电话分机
英英释意
- 1. 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"
- 2. act of expanding in scope; making more widely available;
- "extension of the program to all in need"
- 3. the spreading of something (a belief or practice) into new regions
- 4. an educational opportunity provided by colleges and universities to people who not enrolled as regular students
- 5. act of stretching or straightening out a flexed limb
- 6. a string of characters beginning with a period and followed by one to three 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"
- 7. 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"
- 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. amount or degree or range to which something extends;
- "the wire has an extension of 50 feet"
- 10. an additional telephone set that is connected to the same telephone line
- 11. an addition to the length of something
- 12. an addition that extends a main building