构架中心的钢铁保险丝(蓝色部分)扭曲并扭转着吸收地震能量。

Steel fuses (in blue) at the frame's center twist and contort to absorb seismic energy.

youdao

One is that there are two backbones right here in the light blue, so this would be the upright parts of the ladder that are twisted.

其一是浅蓝色所代表的两条主链,这是构成,扭曲梯子的垂直部分

耶鲁公开课 - 生物医学工程探索课程节选