我尝试着从理解这个螺旋模式入手。

My investigation started with trying to understand the spiral pattern.

youdao

他用尽全力来拧开这个螺旋装置。

He used all of his efforts to loosen the screw.

youdao

由于被包裹在一层由太阳能电池组成的薄膜里，所以这个螺旋塔能够产生足够的电能供自身内部使用；同时在塔的表面收集雨水，然后储存在地下蓄水池里。

Wrapped in a thin membrane of solar cells, the tower generates power for interior USES, while water is collected on the facade and then stored in a cistern underground.

youdao

It's the positive emotion that can take us out from this downward spiral to this upward spiral.

积极情绪,能把我们带离这个下行螺旋进入这个上行螺旋。

哈佛公开课 - 幸福课课程节选

So in many ways the premises, coupled with what we discussed in the first two lectures, build the foundation of that spiral, upon which everything else will be built.

从许多方面来看，这个前提，跟我们开头的两节课有关，会建立这个螺旋的基础，那其他一切就更容易建起来。

哈佛公开课 - 幸福课课程节选