在近海区域，柔细的白沙逐渐延伸进珊瑚礁和成群的热带鱼之中，使这里成为潜水的绝佳地带。
Just offshore, the fine white sand grades into coral reefs and schools of tropical fish, making it a great place for snorkelling.
另一个障碍是环保方面的关切：比如说美国，就已经禁止在大部分近海区域开采石油。
Environmental concerns are also an obstacle: America, for one, has banned oil production off most of its coastline.
第一次试验也许会在封闭的池塘中开展，并逐步扩展到靠近旧金山及圣克鲁斯的加州的近海区域。
The first experiments might start in closed ponds, and then spread to California offshore locations near San Francisco and Santa Cruz.
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