VOA慢速英语:研究表明到2070年全球1/3人口可能面临极度高温

ecologist – n. a person who studies the natural relationships between the air, land, water, animals, plants, etc.

niche – n. an area or position that is exactly suitable for a small group of the same type

thrive – v. to grow, develop, or be successful

ordinary – adj. not different, special, or unexpected in any way

migration – n. the process of moving to a new place