infiltration(into a sewer)
英
美
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infiltration(into a sewer)的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:
英英釋義
名詞 infiltration:
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a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)
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the slow passage of a liquid through a filtering medium
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