kē / xué / jiā / zhǐ / chū / qì / hòu / nuǎn / huà / zhèng / zài / gǎi / biàn / xǔ / duō / dì / qū / de / shēng / tài / huán / jìng科学家指出,气候暖化正在改变许多地区的生态环境。Scientists point out that climate warming is changing the ecosystems of many regions.