But once inside, a look of pride and triumph takes over.

但一旦进入，一个骄傲和胜利的外观。

youdao

On the way to the canteen, everyone looks anxious. but once inside, a look of pride and triumph takes over.

在去食堂的路上，每个人都看起来很着急。一旦进到食堂，着急就被脸上的骄傲和胜利取代了。

youdao

But once inside the event horizon (the surface of a black hole) it is never possible to communicate with the outside.

但是，一旦进入视界(黑洞的表面)，就绝无可能与外界交流了。

youdao

It ultimately evaluates that line of code but just once the stuff inside the curly braces, but the semicolon on the end, essentially has the effect of this.

它最终执行了那行代码,但是只有一次，当那个东西在花括号里，分号放在后面，本质上影响了这个循环。

哈佛公开课 - 计算机科学课程节选

You can kind of see where the syntax is going, looks like a loop, but you can kind of put blocks inside of you, and the little arrow suggests that once you get to the bottom just like our socks example, you're gonna do the following again.

从某种程度上你可以看到它的语法构成,像个循环，你也可以把，一些程序块放到循环中，如同短袜的例子，这个小箭头暗示你一旦到达底部,你将会重复接下来的事情。

哈佛公开课 - 计算机科学课程节选

But once inside you find a 1750 capacity car-park, an Olympic-sized swimming complex and a multi-purpose sports hall.

BBC: Stade Louis II

But once inside the building, it's still far from clear that newspaper journalism is built on firm foundations until it finds a new business model.

BBC: Paper Tigers

From the outside, it looks more like a swanky corporate headquarters than a 21st Century scientific laboratory, but once inside this building just off the M1 in Wakefield its role becomes much clearer.

BBC: CSI-style lab 'vital' in Yorkshire and Humber crime fight