helix
🇺🇸
/ˈhiːlɪks/
🇬🇧
/ˈhiːlɪks/
A spiral shape, like the threads on a screw or the structure of a DNA molecule.
The DNA molecule has a double helix structure, which is a twisted ladder shape.
DNA分子具有双螺旋结构,这是一种扭曲的梯子形状。