So first thing we should do is scratch our heads and see what's going on here. Alright, let's look at it. What's happening here?

所以我们要做的第一件事,就是抓抓脑袋看看发生了什么,好了，让我们来看看，这儿发生了什么呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Let's actually put this into play with the little sprite known as scratch.

让我们把这个用到那个,我们熟知的小精灵当中。

哈佛公开课 - 计算机科学课程节选

We'll see they're not quite as versatile as Scratch's little inventory capability.

它们并不像Scratch里的“清单“,那么的多功能化。

哈佛公开课 - 计算机科学课程节选

Less than an hour later, the Northern Irishman won the 15km men's scratch race.

BBC: Northern Ireland

Cameron Meyer also added another Australia gold - his third of the Games - in the men's scratch race.

BBC: Commonwealth Games 2010: Houvenaghel wins silver medal

Cameron Meyer added a third gold medal to his collection, winning the men's scratch ahead of compatriot Michael Freiberg.

BBC: Commonwealth Games 2010: Aussies rule in velodrome