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单词
procedure mask
释义
procedure mask
网络
医用口罩
网络释义
1.
医用口罩
3、普通
医用口罩
（
procedure mask
） ：符合 YZB，为无纺布或复 合材料制成，采用松紧带。3 层材料分别为：外层抗水、中 …
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not know beans about something
not know B from a battledore
not know B from a buffalo
not know chalk from cheese
not know enough to go in when it rains
not know from Adam
not know from a to b
not know from nothing
not know how
not-knowing
not known
not known loss
not know sb from Adam
not know sb. from Adam
not know someone from Adam
not know that
not know the first thing about
not know the first thing about something
not know the first thing about sth
not know the half of it
not know the meaning of
not know the meaning of the word
not know what
not know what hit you
not know what to do with oneself
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2025/5/29 3:10:24