词汇	mean sample-tree
释义	mean sample-tree 中央木
随便看	building automatic control building automatic control system building automatic system building automation building automation and control network building automation control system building automation network building automation system building automation sys-tem building automatization system building autoregulation building award building a well-off society building a well-off society comprehensively building axis building axis survey building bag building balustrade building bar building barrage building base building basement Building basic-need housing building basic sports facilities building basin