can be easily made to demonstrate英語作文
A“solarstill”canbeeasilymadetodemonstratethatthereisoftenwaterineventhedriestplaces.wecancollectwaterwithlittlemorethanasheetofplasticandacontainer.Wefirstdigaholeseveralfeetdeepinthegroundandplacea...
Can be easily made to demonstrate英語作文範文
A“solarstill”canbeeasilymadetodemonstratethatthereisoftenwaterineventhedriestplaces.wecancollectwaterwithlittlemorethanasheetofplasticandacontainer.Wefirstdigaholeseveralfeetdeepinthegroundandplacea...