柯林斯词典alternative energy 1. N a form of energy derived from a natural source, such as the sun, wind, tides, or waves 替代能源 (Also called renewable energy) 返回 alternative energy剑桥词典energy from moving water , wind , the sun , and gas from animal waste 非传统能源（指水力、风力、太阳能以及沼气产生的能源） alternative energy sources 非传统能源来源 返回 alternative energy