螺旋体 luóxuántǐ spirochaete Definitions Defs Origin Strokes Stroke Words Sentences Sents 螺旋 luóxuán noun spiral spiral; helix; a curve similar to the patterns on a snail shell体 體 tǐ noun form (bound form) the form, state, or shape of a substance, such as a solid or liquid; the configuration or structure of an object