相關詞條
+ore precipice
1 . 礦山巖
ore precipice nature slope stability mainly divisional plane control , the slope destruction mainly is the wedge-shaped body jitter which forms by divisional plane cutting creates .礦山巖質邊坡的穩定性主要受節理面控制,邊坡的破壞主要是由節理面切割形成的楔形體失穩造成的。
+at precipice
1 . 在懸崖邊上
Our security , our future stands at precipice ., 我們的安全和未來處在懸崖邊上.
+sheer precipices
1 . 峻峭的懸崖
sometimes they are forced to skirt the concrete machine gun emplacements of iranian border guards , at others they have to wade across freezing mountain streams or negotiate sheer precipices .有時,他們被迫繞過伊朗邊防軍的混凝土機槍陣地,有時,他們不得不趟過寒冷的山澗溪流或繞過峻峭的懸崖。
+this precipice
1 . 這懸崖
a slight carelessness on this precipice could cost a man his life .在這懸崖上稍一疏忽,就會使人喪生。