extensions

1.伸长,伸展,延长,延伸,扩展,扩大;广度,范围

2.【医】牵伸术;伸直;(病变)蔓延,扩展

3.【军】延伸

4.延期;〈美〉(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

5.【逻】外延;【数】开拓;广延性

6.【物】广延性

7.(语句等的)铺张

8.【商】延期还债认可书

9.会计从另一栏转来或算出的金额

1.extra time that you are given to finish a piece of work, especially at college; extra time that you are given to pay money that you owe; extra time that you are given to use a particular legal document or right

2.a telephone line that is one of several lines coming from a main line

3.an extra room or rooms added to a building; a part of a road or railroad line added to the existing one

4.something that you add to a long thin object to make it able to reach somewhere; long pieces of artificial hair that can be fastened to someone’s hair to make it look longer

5.something that develops from a particular custom, activity, idea, etc.

6.the action of stretching part of your body

7.an increase in the power of something

8.a set of courses provided by a college for people who are not able to go to classes at the college itself or are not able to go during the normal class times

9.the last part of the name of a computer fileFor example, “exe” and “doc” are extensions.