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慢速英语:研究称非本土物种到2050年将急剧增加
日期:2020-10-27
Words in This Story

species – n. a group of animals or plants that are similar and can produce young animals or plants

pose - v. to cause a problem

biodiversity – n. the existence of many different kinds of plants and animals in an environment

allow – v. to permit

evolution – n. a gradual process of change and development

proportion – adj. a part of a total number or amount


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