凹槽 āocáo groove Definitions Defs Origin Strokes Stroke Words Sentences Sents 凹槽 āocáo groove groove; notch; recess; trough; canal; socket recessed (of a surface) having a recessed or concave profile; grooved Frequency Movie subtitles 0.390 per million appears in 0% of films Sources Frequency data SUBTLEX-CH
凹槽 āocáo groove groove; notch; recess; trough; canal; socket recessed (of a surface) having a recessed or concave profile; grooved Frequency Movie subtitles 0.390 per million appears in 0% of films Sources Frequency data SUBTLEX-CH
