natural monument
相关英语词汇推荐
- technological items
- Environmental Protection Agency (EPA)
- ITF,IPCC Trust Fund
- plankton
- temperature inversion
- containment (of solid wastes)
- alkyne
- exhaust heat
- alterant
- organohalogen compound
- partially halogenatedb CFC
- aromatic
- polyaromatic hydrocarbon
- aerosol (spray-)can
- pollution control industry
- automative air conditioning
- advisor
- higher layers (of the stratosphere)
- trade-off
- ozone reduction