词汇	rugged cliff
释义	rugged cliff 乱石嶙峋的悬崖峭壁
随便看	secondary pneumonic plague Secondary pneumonic plague secondary pneumothorax secondary podzolized soil secondary point secondary point code secondary poisoning secondary polar body secondary polarity secondary pole secondary pollen presentation secondary pollutant secondary pollutants secondary pollution secondary pollutions secondary polycythemia secondary polymer secondary polymer flooding secondary polymerization secondary polymerization reaction secondary polyploid secondary polyploidy secondary poplar-birch mixed forest secondary pore secondary pore and fissure