1
- the one end of something which is furthest from the front or the working end末端; 尾部：
the back end of the car swung round.
车尾转了过来。
1.1
- informal the rump or buttocks〈非正式〉臀部, 屁股。
1.2
- the latter part of a period of time, process, etc.尾期; 末期：
the book takes us up to the back end of last year.
那本书让我们一直忙到去年年底。
attrib.
1
- relating to the end or outcome of a project, process, investment后端的; 末尾的; 尾期的：
many annuities have back-end surrender charges.
许多年金保险要收取后端退保费。
2
- Computing denoting a subordinate processor or program, not directly accessed by the user, which performs a specialized function on behalf of a main processor or software system【计算机】（处理器, 程序）后端的。