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