Dr Toyabe likens the system to a ball on a spiral staircase.

Toyabe博士把这个系统比作在螺旋梯上的皮球。

youdao

DNA is a double stranded molecule shaped like a spiral staircase.

DNA是一种像螺旋阶梯样形状的双链分子。

youdao

DNA is the basis of all life on earth. It has a double helixstructure， like a spiral staircase.//

DNA 是地球上所有生命的基础，它有着像螺旋式楼梯一样的双螺旋结构。

youdao

When Lou leads Bennie up a spiral staircase to his recording studio, I tag along.

NEWYORKER: Ask Me If I Care

Inside, a spiral staircase swoops from a playfully designed stone floor in the lobby to the bar level of the hotel.

FORBES: The Suite Life

The result was to convert the surface of a glass plate into the shape of a spiral staircase with 16 steps.

ECONOMIST: A way to detect Earth-sized planets around other stars