canopy:a cover fixed over a seat or bed, etc. for shelter or decoration 树荫,华盖
pontoon:any of a number of flat-bottomed boats or hollow metal structures joined together to support a temporary roadway over a river, an estuary, etc (作浮桥用的)平底船或金属空筒; 趸船
maroon:leave stranded or isolated with little hope of rescue 把...放逐到无人岛上;使孤立无援
undulate:have a wave-like movement or appearance 波动; 起伏; 呈波浪形
filthy:disgustingly dirty; filled or smeared with offensive matter; foul, nasty不洁的,污秽的
akin:similar or related in quality or character; akin(p), kindred, related 近似,有关系的
murky: clouded as with sediment, clouded, mirky, m