rafter/ˈrɑ:ftə(r); ?@ ˈræf-; `ræftɚ/ nany of the parallel sloping beams supporting the tiles, slates, etc of a roof 椽 hams hanging from the rafters, eg in an old inn 悬挂在椽子上的火腿（如在昔时酒店所见）.
牛津英汉双解词典