high flood level

例句：

1. 1.The river has risen to a highflood level, causing flooding in the nearbyareas.
   这条河已经涨到了一个高洪水位，导致附近的地区发生洪水。
2. 2.The city is preparing for a high floodlevel event by stockpiling sandbags and emergency supplies.
   该市正在为一场高洪水事件做准备，通过储备沙袋和紧急物资。
3. 3. The forecasters warnedthat the region could face a highflood level due to heavy rainfall.
   预报员警告该地区可能会因为大雨而面临高洪水位。