原级：ecologist
1. Ecologists praised the building's energy efficiency, which has led to a 94 percent cut in its carbon emissions.
2. Ecologists warned that releasing piranhas into Hong Kong rivers could unbalance the local ecological system.
3. Ecologists believe that it is a matter of routine for disruptions to occur in nature.
4. ecologists
4. Ecologists defend the birds, saying they benefit local farmers by feeding on vermin.
5. The situation has led to some leading ecologists calling on authorities to reduce the use of pesticides and chemical fertilizers.
6. We love to hate the ecologists who warn us of impending dangers.
7. She explains this sort of use must be based on scientific research and include ecologists in the planning.
8. Ecologists estimated that at least 4 billion yuan will be needed to fully address the wetland's environmental problems.
9. ecologists
9. Gas generates ten times less carbon than biomass or ethanol, which ecologists so heavily promote.