walls off是wall off的第三人称单数

wall off

美

英

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

英英

na.	1. to separate a small space from a larger one by building a wall or by permanently closing a door

释义:

全部全部,堵塞墙缝堵塞墙缝

类别:全部全部,口语口语,书面语书面语,标题标题,技术技术

来源:全部全部,字典字典,网络网络

难度:全部全部,简单简单,中等中等,难难

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It was powerful enough to blow the roof and walls off a building , the Kyodo news agency reported .

The immune system either kills the germs , or "walls off" the TB bacilli where they can lie dormant for years .