helix/ˈhi:lɪks; `hilɪks/ n(pl helices / ˈhi:lɪsi:z; `hɛlɪˌsiz/) spiral, either like a corkscrew or flat like a watch-spring 螺旋 Some biological molecules have the form of a helix. 有些生物分子呈螺旋状.
牛津英汉双解词典