英语词汇portcullis的意思、用法及释义-英汉双解词典

单词	portcullis
释义	portcullis n (formerly) strong heavy iron grating raised or lowered at the entrance to a castle （旧时）（城堡入口可升降的）铁闸门, 吊闸. =>illus at castle 见 castle 插图.
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