grind into fine powder 中文意思是什麼
grind into fine powder
解釋
研成粉末狀-
To make the dressing, the researchers grind crab shells to a fine powder and mix it with chemicals to convert the base material, chitin, into chitosan
為製做敷藥繃帶的基層,專家們把蟹殼研磨成粉末狀,又加人一些化學制劑,將基層的聚乙酸氨基葡糖轉換成聚氨基葡糖。
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