无灰粉笔 wúhuīfěnbǐ dustless chalk Definitions Defs Origin Strokes Stroke Words Sentences Sents 无灰粉笔 無灰粉筆 wúhuīfěnbǐ dustless chalk A type of chalk designed to produce very little dust when writing or erasing. Cross-References Same as 无尘粉笔 wúchénfěnbǐ
无灰粉笔 無灰粉筆 wúhuīfěnbǐ dustless chalk A type of chalk designed to produce very little dust when writing or erasing. Cross-References Same as 无尘粉笔 wúchénfěnbǐ
