Sometimes,the simplest ideas are the best.For example,to absorb h_英语解答

Sometimes,the simplest ideas are the best.For example,to absorb heat from the sun to heat water,

人气：310 ℃　时间：2020-03-19 13:42:35

解答

有些时候最简单的想法是最好的.比若说,从太阳那吸收热量去加热水.