water conservation
[英]ˈwɔ:tə ˌkɔnsəˈveiʃən
[美]ˈwɔtɚ ˌkɑnsɚˈveʃən
水利
[例句]Water conservation and energy efficiency were also top priorities , as was natural ventilation and daylighting.
节水和节能,以及自然通风和日光照明都是最优先考虑的对象.