They have already shifted sand 它们已经搬运了

376. To try to stop this happening, they have devised a heavy-duty solution.
     为了阻止这种情况 他们设计了一套任务艰巨的方案
377. These machines have been shipped hundreds of miles
     这些机器从千里之外的
378. from the Australian mainland to re-shape the beach.
     澳大利亚本土运来 以重塑这片海滩
379. They have already shifted sand
     它们已经搬运了
380. that would fill 16 Olympic-sized swimming pools
     能够填满16个奥运会游泳池的沙子
381. and doubled the number of safe nesting sites.
     将能安全筑巢的区域扩大了一倍
382. The hope is that this will ensure that over five million more eggs
     希望这将确保500多万个海龟蛋

来自《行星地球 第三季 第一集 Planet Earth S03E01 海岸》第 379 行