apply medical ointment or powder
英
美
apply medical ointment or powder的用法和样例:
例句
- 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.
为制做敷药绷带的基层,专家们把蟹壳研磨成粉末状,又加人一些化学制剂,将基层的聚乙酸氨基葡糖转换成聚氨基葡糖。
apply medical ointment or powder的相关资料:
临近单词