draftproofing

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. US standard spelling of draughtproofing. US,alt-of,standard,uncountable
动词 v.
  1. present participle and gerund of draftproof form-of,gerund,participle,present

词源

词源 1
From draftproof + -ing.
词源 2
See the etymology of the corresponding lemma form.
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