单词	treenail
释义	treenail /ˈtriːneɪl / (also trenail or US trunnel /ˈtrʌn(ə)l/) noun A hard wooden pin used for fastening timbers together.The timbers are often cut and dressed by hand, jointed and interlocked in the traditional way, and fastened throughout with wood pegs called trunnels, or ‘tree nails.’... We have used tree nails (trunnels) for frame fixing, stone ballast, and hand made rope stropped blocks. Surprisingly to me, the old bridge didn't have trunnels, it was all bolted.
随便看	entrails entrain entrainment entrammel entrance entrance hall entrancement entrance pupil entranceway entrance wound entrancingly entrant entrap entrapment en travesti entreat entreatingly entreaty entrechat entrecôte entremets entrench entrenched entrenchment entre nous

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