Can be easily made to demonstrate英语作文范文
A“solarstill”canbeeasilymadetodemonstratethatthereisoftenwaterineventhedriestplaces.wecancollectwaterwithlittlemorethanasheetofplasticandacontainer.Wefirstdigaholeseveralfeetdeepinthegroundandplacea...
can be easily made to demonstrate英语作文
A“solarstill”canbeeasilymadetodemonstratethatthereisoftenwaterineventhedriestplaces.wecancollectwaterwithlittlemorethanasheetofplasticandacontainer.Wefirstdigaholeseveralfeetdeepinthegroundandplacea...