后台的英文：
(n) the area behind a theatrical stage
(n) behind the scenes supporter

参考例句：

Background processing
后台处理

As you might expect, any discussion of the user interface of daemonic applications is necessarily short.
因为后台应用在后台运行，因此关于后台应用的用户界面的讨论，其篇幅必然很短。

A daemon is a process that runs in the background.
守护进程是在后台作业运行的程序。

Please note that the maximum no. of actors and technical staff cannot be exceeding 20.
演员及后台人员人数不能超过二十人。

He went backstage and asked for her autograph.
他去后台跟她要了签名。

The unseen backstage area on either side of the stage of a proscenium theater.
侧面包厢戏院中舞台两侧的不能被观众看到的后台

The fire started backstage and spread rapidly into the auditorium.
这场大火从后台开始，迅速蔓延到观众席上。

It normally runs as a daemon in the background when started.
启动后，它通常作为一个守护进程在后台运行。

Last but not least, our thanks are due to the technicians working behind the scenes.
最后不容忽视的就是我们要对在后台工作的技师表示感谢。

Some state-owned firms have powerful friends and are hard to push around.
一些国有企业拥有非常强大的后台，国资委也很难摆布。

area是什么意思：
n. 面积；地区；区域；场地；领域，范围，方面

This is a drainage area.
这里是排水区。

The areas of greater rainfall conform roughly with these forested areas.
降雨量较大地区大致与这些森林地区相符合。

The?penalty area?is the rectangular area in front of the goal.
禁区就是指球门前的矩形区域。

behind是什么意思：
prep. 在…的后面；落后于；迟于；对...说来已成过去；支持；作为引起...的潜在原因
adv. 在背后；在后；在过去；落在后面
adj. 背后的
n. 屁股；背后部分；后卫；射门

The children trailed behind their teacher.
孩子们跟在老师后面走。

To let drag behind; trail.
拖，拉让拖在后面；拖拽

The others are a long way behind.
其他的人远远地落在后面.

theatrical是什么意思：
adj. 剧场的；戏剧的；夸张的，戏剧性的；盛大的；有戏剧效果的
n. 戏剧演出

They are all major theatrical productions.
它们都是戏剧力作。

Theatrical scenery,performances,reviews
戏剧布景、演出、评论

It would downgrade the 'specialness' of theatrical films.
这将降低院线电影的“特殊性”。