螺纹
luó​wén

spiral

  • created sense approved 螺纹/螺紋 · luó​wén · spiral

    螺纹 / 螺紋

    luó​wén

    spiral

    a spiral pattern or helical line

    贝壳上有一圈圈自然的螺纹。

    noun

    created sense

  • created sense approved 螺纹/螺紋 · luó​wén · thread

    螺纹 / 螺紋

    luó​wén

    thread

    the helical ridge on a screw, bolt, or inside a nut

    螺母和螺栓的螺纹必须完全吻合。

    noun

    created sense

  • created sense approved 螺纹/螺紋 · luó​wén · whorl

    螺纹 / 螺紋

    luó​wén

    whorl

    the circular pattern of ridges on a fingertip

    他的指纹呈现出清晰的螺纹状。

    created sense