and doubled the number of safe nesting sites. 将能安全筑巢的区域扩大了一倍

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
383. will hatch in the next decade.
     在未来十年里能够成功孵化
384. But from then on, the future of Raine Island looks very uncertain.
     然而再之后 雷恩岛依然前途未卜

来自《行星地球 第三季 第一集 Planet Earth S03E01 海岸》第 381 行