单词	back shutter
释义	back shutter noun : the backflap of a shutter Word History First Known Use 1823, in the meaning defined above
随便看	back-to-backs back-to-work back/paint oneself into a corner backache backache brake backaches backaching backassward backasswards backbackiri backband backbands backbar backbars backbearing backbeat backbeats backbench backbencher backbenchers backbenches backbend backbends backberand backberend

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