water intake on pontoon

例句：

1. 1.The boat was anchored to the pontoon for safety.
   为了安全，船被锚定在浮动平台上。
2. 2. The pontoon bridge spans over a river and connects two cities.
   浮动桥梁横跨一条河流，连接两个城市。
3. 3.The pontoon was used as a temporary shelter during the storm.
   在暴风雨期间，浮动平台被用作临时避难所。