energy brushes

例句：

1. 1. The new technologywill greatly increase our energy efficiency.
   新技术将大大提高我们的能源效率。
2. 2. Energy conservation is essentialfor sustainable development.
   能源节约对于可持续发展至关重要。
3. 3.The team's energy was drainedby the long hours of work.
   团队的精力被长时间的工作消耗殆尽。