flood protection levee的用法和樣例：
例句
- There were more evacuations in Missouri where levees have been topped by rising flood waters.
在密蘇里州，因洪水泛濫許多防洪堤被水覆蓋了，越來越多的居民都搬遷了。 - Levees in New Orleans are expected to hold, though the storm's surge could still flood the city as water overtops levees.
新奧爾良的防洪堤預計不會受損，但風暴造成的浪潮可能會令水位高過大堤，從而淹沒城市。
