首先，缺水會對人類的健康造成威脅

首先，缺水會對人類的健康造成威脅

Results (English) 1:

First of all, lack of water poses a threat to human health

Results (English) 2:

First of all, water shortage will pose a threat to human health

Results (English) 3:

First, water shortage will pose a threat to human health.