Ball says adults should start off with exercises at the base of the pyramid, like walking or climbing stairs.

VOA: standard.2010.02.26

So it's trigonal because we have these three atoms that are bound to the central atom here, and if you picture it, it's actually shaped like a pyramid.

这里三角形是因为,我们有3个原子核中心原子成键，如果你画它，它就是金字塔形的。

麻省理工公开课 - 化学原理课程节选

The Roman household was constructed like a pyramid.

罗马家户类似金字塔结构。

耶鲁公开课 - 新约课程节选

The current pyramid makes the diet look like this.

目前的食物金字塔是这样划分饮食的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They all died. And it was--not everybody, but in France 1,500,000 people died, and that's a huge demographic chunk, it's like a big shark took a big bite out of your basic pyramid of your demographic tree.

都死了,的确是,倒不是所有人,但是在法国有一百五十万人阵亡,这在人口比例中占很大一部分,就好像一个大鲨鱼照着,人口树的基底咬了一大口

耶鲁公开课 - 1871年后的法国课程节选

The new food guide pyramid can be seen at mypyramid.gov and it looks like this.

新的食物金字塔可以在,mypyramid.gov官网上找到,如图所示

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选