v.碰撞；颠簸而行；提高n.肿块；撞击；表面隆起adv.突然的；猛烈的 过去式:bumped过去分词:bu

中文解释

\"the hump of a camel\"\"he stood on the rocky prominence\"\"the occipital protuberance was well developed\"\"the bony excrescence between its horns\"