传说古代有个名叫亚历山大的国王,想到水下去过逍遥的生活,让工匠们给他制作了一个玻璃容器,自己躺在里面下沉到海底,饱览了水下奇异的景色。显然,这只不过是一种能够潜水的玻璃容器,而不是真正意义上的潜艇。15世纪的欧洲文艺复兴时期,意大利画家、工程学家达·芬奇,曾经设计出一种能够潜水的 Legend has it that in ancient times there was a king named Alexander, who had thought of living a happy life under water so that artisans made a glass container for him and laid himself there and sunk to the bottom of the sea to enjoy the strange underwater scenery. Obviously, this is nothing more than a glass container that can be dive, not a true submarine. The 15th century, the European Renaissance, the Italian painter and engineer Leonardo da Vinci, had designed a can of diving