无尘粉笔 wúchénfěnbǐ dustless chalk Definitions Defs Origin Strokes Stroke Words Sentences Sents 无尘粉笔 無塵粉筆 wúchénfěnbǐ dustless chalk Chalk designed to produce little or no dust when used for writing or wiping on a blackboard Cross-References Same as 无灰粉笔 wúhuīfěnbǐ
无尘粉笔 無塵粉筆 wúchénfěnbǐ dustless chalk Chalk designed to produce little or no dust when used for writing or wiping on a blackboard Cross-References Same as 无灰粉笔 wúhuīfěnbǐ
