![can be easily made to demonstrate英语作文]( "can be easily made to demonstrate英语作文")
- A“solarstill”canbeeasilymadetodemonstratethatthereisoftenwaterineventhedriestplaces.wecancollectwaterwithlittlemorethanasheetofplasticandacontainer.Wefirstdigaholeseveralfeetdeepinthegroundandplaceacontaineratitscenter.putasmuchgreenlivingplantmate...
- 25188
![Can be easily made to demonstrate英语作文范文]( "Can be easily made to demonstrate英语作文范文")
- A“solarstill”canbeeasilymadetodemonstratethatthereisoftenwaterineventhedriestplaces.wecancollectwaterwithlittlemorethanasheetofplasticandacontainer.Wefirstdigaholeseveralfeetdeepinthegroundandplaceacontaineratitscenter.putasmuchgreenlivingplantmate...
- 9543
学者斋
