We need a tsunami warning system.

我们需要一个海啸预警系统。

The tsunami warning system saved many lives.

海啸预警系统拯救了许多生命。

The Pacific has developed a sophisticated tsunami warning system.

太平洋有完善的海啸预警系统。

A drill testing the tsunami warning system was held in Bali Indonesia.

在印度尼西亚的巴厘建造起了飓风预测报警系统.