energy efficient and environment-friendly

• 节能环保

energy efficient and environment-friendly的用法和样例：

例句

1. High-speed EMU has a bright future as the whole world is striving for energy conservation and environment protection.
   当前，世界在倡导节能环保技术，高速铁路动车组大有前途。
2. Passive regulating indoor humidity with hygroscopic materials is an energy-saving and environment friendly method.
   利用调湿材料被动调节房间湿度是一种节能环保的方法。