单词	sadden at
释义	sadden at 因…而悲伤
随便看	flood resourcification flood resoutilization flood response flood restoration computation flood retaining to main channel flood retarding basin flood retarding project flood retention flood retention and storage areas flood retention areas flood retention basin flood retention work flood return period flood rise flood risk flood risk analysis flood risk assessment flood risk chart flood risk evaluation flood risk forecasting system flood risk graph flood risk management flood risk map flood risk mapping flood risk operation