单模光纤 dānmóguāngxiān single-mode optical fiber Origin Definitions Defs Strokes Stroke Words Sentences Sents 单模 單模 dānmó single-mode (bound form) single-mode, referring to fiber optics or light transmission光纤 光纖 guāngxiān optical fiber optical fiber; fiber optics; a thin fiber made of glass or plastic used for transmitting information as light