- IPA[rɛ(ə)r ɡæs]
- another term for noble gas
noun: rare gas, plural noun: rare gases
... created as a result of the burning of gas, oil and coal. 3.The use of CFCs in ...destruction of rain forests is harming rare plants and wildlife.(through) => Rare ...
... peter now peter: OK! Because the gas of global greenhouse, such as the carbon dioxide (CO2) , the...the ice sheet is melted rapidly, let polar bear be rare in place. The greenhouse effects are...
many existence will vanish改many creatures 生物will be vanished. there are many factories We must take public transportation to work