preventing water的用法和样例：
例句
- Compared with water swellable gels that are commonly used in China at present, the thermal expansion gel has many obvious advantages.
与目前国内普通使用的遇水膨胀油膏相比，热膨胀阻水油膏具有明显的优势。 - Ideas for generating electricity with water but without building dams to hold back rivers in reservoirs are in development, according to the NHA.
国家水力发电协会表示，不需建坝阻水而有利于水力发电的构想已在发展当中。
