| 单词 | porous |
| 释义 | porous porous /ˈpɔː.rəs/ aep /ˈpɔːr.əs/ adjective F0 describes something that has many small holes, so liquid or air can pass through, especially slowly: » porous soil with good drainage» porous brick walls» a porous polymer membraneThesaurus+: ↑Holes, hollows and dipsF0 not protected enough to stop people going through: » The border in this region is porous and many refugees have simply walked across.Thesaurus+: ↑Weakness and vulnerability |
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