英语翻译Cars produced gases almost as harmful as the gases from
英语翻译Cars produced gases almost as harmful as the gases from
Trees take in harmful gases from the air ang produce oxygen
( )4.We must _____the factories from producing harmful gases
This,together with the gases and fumes from vehicles,___rain
英语翻译these gases,maily carbon dioxidec(CO2),are produced by b
I have a bad cough because of the gases from the heavy traff
求翻译gases from crop waste would be uesd to heat the building
英语选择题Trees _____harmful gases from the air and ____oxygen.Ye
英语翻译The atmosphere is a blanket of gases around the Earth,Fo
英语翻译Dalton wondered why the heavier and lighter gases in the
英语翻译When fossil fuels are burned,gases are released into the
英语翻译The sun shines because it is made of glowing gases.It gi