谁知道望远镜的发明史--英语的都要英语谢谢,不要太少了是双筒望远镜
2个回答
The binoculars were invented in 1854 in Italy.
Binoculars is invented by a worker of a mirror factory in the Dutch.
When he checked on the lenses, he put a concave mirror and a convex mirror together, then he found it can makes he see the far away things large and nearly.So he was very excited about it, and he immediately came up with to create a device that can see what the distance is close and clear.
Binoculars is a very useful tool for astronomical observation. It can be used to observe the moon and the star and so on. And you also can use it to watch a ball game and concert and whatever you like.
楼上的回答是Binoculars吗?
相关问题
