基本解释預液泛同根派生 preflooding相关词英汉例句the preflood season in South China 華南前汛期A Study on the Climatic Features of the Rainfall of Rain Storms in the Preflood Season in South China 華南前汛期暴雨氣候特征的研究preflood limit water level 汛限水位preflooding更多例句