proofing
美['pruːfɪŋ] 英['pruːfɪŋ]
n. 证明；防护；上胶
sp. 动词proof的现在分词形式.
英英释义
动词proof- make or take a proof of, such as a photographic negative, an etching, or typeset
- knead to reach proper lightness
- read for errors
- activate by mixing with water and sometimes sugar or milk
- make resistant (to harm)
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