单词	jack rafter
释义	jack rafter noun : a short rafter: a : one of the shorter rafters used in a hip or valley roof b : a secondary roof timber (as a common rafter resting on purlins) also : one of the pieces simulating extended rafters under the eaves in some styles of building Word History Etymology jack entry 1 (something smaller)
随便看	CBO CBS CBT CBW cby cc cc'd cc'ing CCA CCC CCD CCK cckw CCP CCS ccs CCTV CCU ccw cd CD-I CD-ROM CD-RW CD4 CD8

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