permeable groyne

例句：

1. 1. The engineer designed a permeable groyne to allow water to flow through the foundation.
   工程师设计了一个渗透桩，以便让水流过地基。
2. 2.The construction of the bridge required the use of permeable groynes to support the weight of the structure.
   建造这座桥需要使用渗透桩来支撑结构的重量。
3. 3. The permeable groynes were installed in the riverbed to prevent flooding during heavy rainfall.
   在河床上安装了渗透桩，以预防大雨期间的洪水。