waterflood，deluge，flood，flowage，Niagara；

[例句] 从山地奔流而下的水涌入河中引发了洪水。 Flooding was caused by water gushing into rivers from uplands.

[例句] 洪水冲垮了釜山的一座主要桥梁。 Flood waters washed away one of the main bridges in Pusan.

proluvial ；

[例句] 深州市属于潮土地带,为洪积冲积黄土. Shenzhen City is tidal belt of land for flood alluvial loess.

[例句] 由此为山前洪积扇研究提供了新的方法和线索. So the size statistics given a new method to study the diluvial.

pluvial，cataclysmal，cataclysmic ；

[例句] 对洪水的预测并不是一门精确科学。 Forecasting floods is not an exact science.

[例句] 他们在房屋周围堆沙袋以抵御洪水的侵袭。 They sandbagged their homes to keep out floods.

resonant，reverberant，rotund，sonorous ；

[例句] “是麦基博士吗？”那个男人用平稳而洪亮的声音喊道。 "Doctor McKee?" the man called in an even, sonorous voice.

[例句] 他用洪亮的声音大声喊叫。 He bellowed in a stentorian voice.

floodmark ；

diluvium ；

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