美国人爱好喂鸟 促进人与自然的链接

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backyard - n. an area in back of a house​

bother - v. to cause (someone) to feel troubled, worried, or concerned​

deck - n. a flat surface that forms the main outside floor of a boat or ship​

hobby - n. an activity that a person does for pleasure when not working​

pivot - v. to turn on or around a central point​

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

toes - n. any of the five digits at the end of the human foot.​