natural energy短语¹³¹⁶²⁰⁺³ 基本例句 自然能 Further harvesting the sun's natural energy, the WaterShed solar thermal panel on the back side of the house comprises60 evacuated glass tubes that use solar energy to heat water for domestic use. 为了更好地利用太阳能，“水舍”背面有60个拆卸的玻璃管组成的太阳能加热板为使用者日常用水加热。 yeeyan