可变焦透镜双筒望远镜 varifocal lens binocular
望远镜双筒望远镜 binoculars
棱镜双筒望远镜 prismatic binocular telescope
潜望镜式双筒望远镜 periscope binoculars ; periscope binocular
双筒棱镜望远镜 prismatic binoculars
你可以把你的双筒望远镜或望远镜之类的东西带到你能看到的地方。
You can bring your binoculars or the telescope thing where you look through.
研究自然或研究像滑轮、放大镜或者双筒望远镜之类的玩具，都是接受非学校教育的孩子探索科学的好方法。
Studies of nature or toys like pulleys, magnifying glasses, or binoculars are all ways for unschoolers to explore science.
当我们想要看鸟正在干什么的时候，双筒望远镜或野外望远镜用处很大。
Binoculars or field glasses are a great help when we want to see what birds are doing.
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