在这种情况下，我假设该圆柱是以柱轴跟地面平行的方式下落的(这样才能使人背部着地)。

In this case I will assume the cylinder is falling with the axis of the cylinder parallel to the ground (so the person would land on the back).

youdao

同时，在养老金覆盖面扩大之前，各国可以考虑建立一种可负担的非缴费方案(零支柱)，同它来供养脆弱的老年人。

In the meantime until pension coverage expands, countries could consider creating an affordable non-contributory scheme (zero pillar) to provide for the vulnerable elderly.

youdao

耶和华在云柱中降临，站在会幕门口，召亚伦和米利暗，二人就出来了。

And the LORD came down in the pillar of the cloud, and stood in the door of the tabernacle, and called Aaron and Miriam: and they both came forth.

youdao