求助OG11 -56

In a plan to stop the erosion of Esat Coast Beaches, the Army Corps of Engineers proposed building parallel to shore a breakwater of rocks breakwater of rocks that would rise six feet above the waterline and act as a buffer, absorbing the energy of crashing waves and protecting the beaches

虽然作对了  但是不知道怎么翻译 尤其是划线部分   求助