high grade energy

例句：

1. 1. The new energy vehicle is expected to significantly reduce emissions.
   新型电动汽车预计将显著减少排放。
2. 2.The development of high-grade energy sources is crucial for sustainable growth.
   开发高级能源源对于可持续增长至关重要。
3. 3. High-grade energy can be used to generate electricity from renewable sources.
   高级能源可用于从可再生能源中生成电力。