防灾的英文：
disaster prevention
hazard prevention

参考例句：

It's called the Pan-Carib-bean Disaster Preparedness and Prevention Project, which is quite a mouthful.
它被称为泛加勒比备灾防灾项目，名称相当冗长拗口。

disaster是什么意思：
n. 灾难，不幸；彻底的失败

to meet with disaster; to suffer disaster; to smart for
遭殃

Knowledge of the disaster soon spread.
灾难的消息很快传开了。

Let's forget the disaster.
让我们不要再把那场灾难放在心上了。

prevention是什么意思：
n. 预防，防止；阻止，妨碍；预防方法；预防药

To neutralize a city to prevent bombing.
宣布某城市中立以避免被轰炸。

Prevention is better than cure
预防胜于治疗

This has proved an effective preventive.
这种药证明是很有效的预防剂。

hazard是什么意思：
v. 冒…的风险；冒险做，赌（钱）
n. 危险；意外事件，偶然之事；未加思考的事，事故；冒险的事

There is no hazard from drift.
漂流没有危险。

Cigarette is arguably a hazard.
香烟可以被争议为危害物。

The car accident was an unforeseen hazard.
这场车祸是一次谁都没有预见的事故。