the line formed when two sloping surfaces come together along their topmost edgepigeons roosting along the ridge of the roof
pigeons roosting along the ridge of the roof
crests
dividesbackbones, ridgepoles, spineseminences, peaks, prominences, promontories, rises
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。