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分子具有雙螺旋結構,這是一種扭曲的梯子形狀。