The small, energy-efficient design is notable for its crystal ball-like shape which allows it to spin in all directions.
这种既小又节约能源的设计，最特别的是它那可以多个方向旋转的类似于水晶的球。
3
The Ocean Thermal energy Conversion (OTEC) process utilizes temperate differences in large bodies of water to spin turbines, creating a steady source of renewable energy.