Light sail

轻帆───Light sail

Ideal, such as stars, — we can never touch, but we can with elephant navigator similar, lend the position of star light but sail.───理想如星辰- - - - -我们永不能触到，但我们可以象航海者一样，借星光的位置而航行。

14-year-old Dutch girl to sail solo around.───荷兰少女终于获准可以独自航行环游世界了。

They draw their energy from sunlight (the reflected light exerts a small pressure on the sail, driving it forward) and therefore need no fuel.───它们利用太阳光获取能量(反射的阳光施加小量压力与太阳帆上，进而驱动其前进)，因而无需燃料。