起伏英rise and fall; undulate;上升和下降散见坡坨起伏间。——例上升和下降。散见坡坨起伏间。——[英]赫胥黎著、严复译《天演论》内部斗争时有起伏。英英;比喻感情、关系等起落变化也指世事兴盛衰落。例心潮起伏。[查看详情]

险要地势险峻而正当要冲。英strategically located and difficult of access;[查看详情]

坑洼洼下去的地方。例积水坑洼。英hollow;低洼。例坑洼不平的小路。英low-lying;[查看详情]

陡峭山势高而陡峻。例陡峭的山崖。英precipitous; steep;[查看详情]

低洼地势比四周低。例低洼地。英low-lying;[查看详情]

陡壁坡度十分大、像墙那样直立的山崖。例华山陡壁如墙险峰迭起。英precipitous cliff;[查看详情]

荆棘荆：荆条，无刺；棘，酸枣有刺。两者常丛生为从莽。也泛指丛生于山野间的带棘小灌木。例斩荆棘。——宋苏洵《权书六国论》英thistles and thorns;[查看详情]

巍巍高大壮观的样子。例巍巍乎可畏。——明刘基《卖柑者言》英towering; majestic; lofty; imposing;[查看详情]

凹凸不平滑。英unsmooth;[查看详情]

凸凹犹凹凸。高低不平。[查看详情]

陡立（山峰、建筑物等）直立。[查看详情]

险峻陡峭险恶。例险峻的群山。英dangerous steep; precipitous;[查看详情]

陡峻地势高而险峻。英high and precipitous;[查看详情]

幽深山水、树林、宫室、景物等幽静而深远。例花木幽深。英be deep and serene;[查看详情]

蜿蜒蛇类曲折爬行的样子。例横过天花板蜿蜒着一条长的裂缝。英wriggle;曲折延伸。例山路蜿蜒向下。英meander; wind; zigzag; serpentine;[查看详情]