这是第一个代表塔楼建筑，主要是乐高元素组成。为了创造出一些变化，我将它们旋转45度角。

Here is the first proxy tower which was the main Lego element. To achieve some variation, I always rotated them 45 degrees.

youdao

好的。我对所有都挺满意的。如果你没有什么问题，那就让我第一个代表公司对你说欢迎你的加入吧。

Well, I like what I see here. If you don't have any questions, then let me be the first to say welcome to our company.

youdao

如果是这样，那么第一个圆盘形状的符号可能代表太阳。

If so, then perhaps that first disc-shape symbol might represent the Sun.

youdao

Why? Well, out presumably 'cause it's output, a because it's the first letter of the alphabet.

为什么？也许是因为out代表是输出吧，而a则是字母表的第一个吧。

哈佛公开课 - 计算机科学课程节选