今天我们要学的词是 flash flooding. Flash flooding 名词,骤发洪水。President Obama declared a major disaster in West Virginia after flash flooding left at least 24 people dead. 西维吉尼亚州骤发洪水造成至少24人丧生,奥巴马总统宣布重大灾害。This was the deadliest flash flooding in the U.S. since 2010. 这次骤发洪水是美国2010年以来造成死亡人数最多的一次。好的,我们今天学习的词是 flash flooding, flash flooding, flash flooding…