1)watchtower,角楼2)The House of the Seven Gables,《七角楼》3)Xiaojiaolou,小角楼4)quarter pace stair,直角楼梯台5)The layout that is bell tower left and scriptures stored building right,左钟右藏角楼6)reinforced concrete corner stair,钢筋混凝土转角楼梯
用法例句
An Analysis of the Mystery in The House of the Seven Gables;
