慢速英语:研究称小熊猫有两个不同种类

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species – n. a group of individuals who have common qualities

conservation – n. the protection of animals, plants, and natural resources — often used before another noun

uniqueness – n. the quality or state of something being unlike anything or anyone else

interbreed – v. to cause animals of two different species to produce young animals that are a mixture of the two species

skull – n. the bones of the head

habitat – n. the place or type of place where a plant or animal naturally or normally lives or grows