释义 n.拱背，拱起的背；陡峭的山地 实用短语hogback ridgehogback stone卧式石碑hogback coast猪背海岸hogback mountainhogback hill猪背山hogback truss弓形桁架hogback overlook豚脊丘俯视topography of hogback鬃岗地形parallel hogback shallow平行鬃岗式河漫滩 同义词ridge