英语词汇“保健粉筆”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	保健粉筆
释义	保健粉筆 bǎo jiàn fěn bǐ大陆地区指以水溶性的磷和钙为主要成分的粉笔，所生粉尘对人体无害。
随便看	loose anagen hair syndrome Loose anagen syndrome loose a nail loose anchor loose and dissipated character loose and open surface loose and soft coal seams Loose and soft coal stratum loose and soft seam Loose and soft surrounding rock loose and strict combination Loose and Water Stool loose and watery stool Loose and Watery Stool loose anticopuling loose anti coupling loose anti-coupling Loose Anus loose apposition loose apron loose aquifer loose area loose areolar connective tissue loose argument loose a rope