英语口语练习小对话 第264期:极为罕见 千载难逢

英语口语练习小对话 第264期:极为罕见 千载难逢  

迷你对话：,A: The river is much higher then the ground.,这条河比地还高。,B: How dangerous!,太危险了！,A: Yes, it is.,是的，很危险。,B: What if the river overflowed it’s bank?,如果河水溢上岸了怎么办？,A:That would be disastrous.,那将会是灾难。,B: The whole city will get flooded?,整个城市将被水淹。,A:Of course. But that happens only once in a blue moon.,当然，不过那几百年也不见得会遇上一次。