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airproof/'εr.pruf'εə.pruːf/
1.vt.
使不透气;防止空气危害
2.adjective
不漏气的，密不透气的，不通气的；密封的，气密的
3.adjective
不通气的,密不透气的
4.vt.
使不漏气，使不透气；使密封