| 1. | The main problem is that near shore , a tsunami ' s actual size is masked by additional waves generated as the tsunami bounces off seawalls , wraps around islands , or sloshes back and forth in a bay ? all of which make for a very tangled signal 然而主要问题是当海啸接近岸边时,冲击防波堤产生的巨浪,或是当它包围岛屿、在海湾里来回所飞溅的浪花,都会造成非常紊乱的讯号,掩盖海啸的实际大小。 |