(of a rock or other material)having minute interstices through which liquid or air may pass
(岩石或其他材料)有孔的,多孔的。
〈喻〉 多漏洞的;不安全的
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he ran through a porous home defence to score easily .他跑过一个漏洞百出的本垒防线,轻松地得了分。
"late Middle English: from Old French