VOA慢速英语:气候变化 入侵物种威胁沼泽地

ecosystem – n. everything that exists in a particular environment.

Judas - n. one that betrays another

managed – adj. describing something that is controlled (such as a business, department, sports team, etc.)

tend – v. used to describe what often happens or what someone often does or is likely to do — followed by to + verb

infrastructure – n. the basic equipment and structures (such as roads and bridges) that are needed for a country, region, or organization to function properly

marsh – n. an area of soft, wet land that has many grasses and other plants

adapt – v. to change your behavior so that it is easier to live in a place or situation

evolve – v. to change or develop slowly often into a better, more complex, or more advanced state : to develop by a process of evolution

amazing – adj. causing great surprise or wonder : causing amazement