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第三人称单数：walls off 现在分词：walling off 过去式：walled off

wall off

BBC新闻讲解附字幕:海地政府重新安置地震灾民... ... pull out of 退出 wall off 杜绝,隔开 regard as 把...认作 ...

BBC新闻讲解附字幕:海地政府重新安置地震灾民... ... pull out of 退出 wall off 杜绝,隔开 regard as 把...认作 ...

8.4_sleepyhead_新浪博客 ... in my book: 以我的意见，在我的字典里 wall off: 用墙把…隔开 ...

...对Google构成严重影响，最为显著的问题，在於设墙阻隔（wall off）网页内容，对Google搜寻引擎带来的伤害。」

Google's strategy , he adds , seems to be to "wall off content so that it cannot be crawled and searched by competing companies. "

How would Facebook wall off the accounts of young Chinese who study overseas , set up accounts, and return to China ?