灾害

我们wǒmen必须bìxū始终shǐzhōng为wèi灾害zāihài做zuò好hǎo准备zhǔnbèi。

We must always be prepared for disasters.

这zhè是shì环境huánjìng灾害zāihài。

It's an environmental disaster.

预防yùfáng气旋qìxuán灾害zāihài，需要xūyào创建chuàngjiàn完善wánshàn的de早期zǎoqī预警系统yùjǐngxìtǒng。

To prevent cyclone disasters, we need to establish a complete early warning system.