塞牙缝 sāiyáfèng something extremely small Definitions Defs Origin Strokes Stroke Words Sentences Sents 塞 sāi verb to stuff to fill or stuff in; to plug or stop up; to squeeze into a small space牙缝 牙縫 yáfèng noun gap between teeth The gap, slit, or space between adjacent teeth or between the upper and lower teeth
